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One can use the long multiplication method
Or use a calculator to obtain
0.056283 then approximate the value to be
0.0563 correct to 3 significant figures
joseph rimiru answered the question on September 27, 2017 at 03:38
- If a : b = 3 : 4 and a : c = 2 : 5, find a : b : c. ...(Solved)
If a : b = 3 : 4 and a : c = 2 : 5, find a : b : c.
Date posted: September 26, 2017. Answers (1)
- Find Cos x if Cos 2x = 0.9.(Solved)
Find Cos x if Cos 2x = 0.9.
Date posted: September 26, 2017. Answers (1)
- A car travels 100 km in (¾) hour. How far will it travel in 20 min?(Solved)
A car travels 100 km in (¾) hour. How far will it travel in 20 min?
Date posted: September 26, 2017. Answers (1)
- Using the logarithmic tables evaluate:
(86.01 x 100.05)/55.65
...(Solved)
Using the logarithmic tables evaluate:
(86.01 x 100.05)/55.65
Date posted: September 26, 2017. Answers (1)
- Using the mathematical tables, find the tangent, sine and cosine of the following angles.
a. 52° b....(Solved)
Using the mathematical tables, find the tangent, sine and cosine of the following angles.
a. 52⁰ b. 53.50⁰ c. 30⁰ 20’
Date posted: September 26, 2017. Answers (1)
- Find the value of x and y given that
(a) Sin x = Cos 60°
(b) Sin 4y = Cos 5y
(Solved)
Find the value of x and y given that
(a) Sin x = Cos 60⁰
(b) Sin 4y = Cos 5y
Date posted: September 26, 2017. Answers (1)
- Akinyi bought and beans from a wholesaler. She then mixed the maize and beans the ratio 4:3
she brought the maize as Kshs. 12 per kg...(Solved)
Akinyi bought and beans from a wholesaler. She then mixed the maize and beans the ratio 4:3
she brought the maize as Kshs. 12 per kg and the beans 4 per kg. If she was to make a profit of
30% what should be the selling price of 1 kg of the mixture
Date posted: September 25, 2017. Answers (1)
- Two baskets A and B each contains a mixture of oranges and lemons. Basket A contains 26
oranges and 13 lemons. Basket B contains 18 oranges...(Solved)
Two baskets A and B each contains a mixture of oranges and lemons. Basket A contains 26
oranges and 13 lemons. Basket B contains 18 oranges and 15 lemons.Determine the probability that the fruit picked radomnly is an orange.
Date posted: September 25, 2017. Answers (1)
- From the given equation 3y + 5x + 9 = 0 find its
...(Solved)
From the given equation 3y + 5x + 9 = 0 find its
a) gradient
b) y and x- intercepts.
Date posted: September 25, 2017. Answers (1)
- Solve the following simultaneous equations using the substitution method.
x + y = 5
...(Solved)
Solve the following simultaneous equations using the substitution method.
x + y = 5
xy = 6
Date posted: September 24, 2017. Answers (1)
- A number of two digits is such that four times the sum of its digits exceed the number by three. The number is increased by...(Solved)
A number of two digits is such that four times the sum of its digits exceed the number by three. The number is increased by thirty six when the digits are reversed. Find the number.
Date posted: September 23, 2017. Answers (1)
- The volume Vcm^3 of an object is given by
V = 2/3 p r {(1-2)/sc^2}
Express in term of p r, s and V(Solved)
The volume Vcm^3 of an object is given by
V = 2/3 π r {(1-2)/sc^2}
Express in term of π r, s and V
Date posted: September 23, 2017. Answers (1)
- A perpendicular to the line -4x + 3 = 0 passes through the point ( 8, 5) Determine its equation.(Solved)
A perpendicular to the line -4x + 3 = 0 passes through the point ( 8, 5) Determine its equation.
Date posted: September 23, 2017. Answers (1)
- Simplify
{(2x – 2)/(6x^2 – x – 12)}/{(x-1)/(2x-3)}(Solved)
Simplify
{(2x – 2)/(6x^2 – x – 12)}/{(x-1)/(2x-3)}
Date posted: September 23, 2017. Answers (1)
- The radius of a circle is 14cm. Find the length of arc and the area of the sector given that...(Solved)
The radius of a circle is 14cm. Find the length of arc and the area of the sector given that the angle
subtended at the centre is 60 degrees.
Date posted: September 23, 2017. Answers (1)
- Solve the following linear equations;
a. X + 5 = 0 b. 3X – 4 = 0 ...(Solved)
Solve the following linear equations;
a. X + 5 = 0 b. 3X – 4 = 0 c. -7x + 9 = 0 d. -x – 2 = 0
Date posted: September 23, 2017. Answers (1)
- Use the following roots to write equations of the form Ax^2 + Bx + C = 0
...(Solved)
Use the following roots to write equations of the form Ax^2 + Bx + C = 0
a. (2,5) b. (3, -4) c. (-7 ,-1)
Date posted: September 23, 2017. Answers (1)
- In a physics class the following formula was used to determine the value of f, 1/f = (1/u)+(1/v)....(Solved)
In a physics class the following formula was used to determine the value of f, 1/f = (1/u)+(1/v).
Then if u = 0.40 and v = 0.80 , find the value of f.
Date posted: September 21, 2017. Answers (1)
- Find the reciprocal of the following values . You can use the long division method
a) ...(Solved)
Find the reciprocal of the following values . You can use the long division method
a) 6 b) 5 c) 27 d) 3.5 e) 4.8 f) 1.02
Date posted: September 21, 2017. Answers (1)
- Find the value of each of the following cubes:a. (XY)^3b. (4a)^3c. (3ab)^3d. (-2bc)^3(Solved)
Find the value of each of the following cubes:
a. (XY)^3
b. (4a)^3
c. (3ab)^3
d. (-2bc)^3
Date posted: September 21, 2017. Answers (1)