Which law would you use to simplify the expression (4x)^9?
2 answers:
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Option D:
Surface area of the cylinder = 753.6 cm²
Solution:
<u>To find the surface area of the cylinder:</u>
Given data:
Radius of the cylinder = 6 cm
Height of the cylinder = 14 cm
The value of π = 3.14
Surface area of the cylinder =
= 226.08 + 527.52
= 753.6 cm²
Surface area of the cylinder = 753.6 cm²
Option D is the correct answer.
<u>ANSWER</u>
The volume of the sphere is .
<u>EXPLANATION</u>
The volume of a sphere is calculated using the formula;
.
We were given in the question that the radius is inches. Therefore we substitute
in to the formula for finding the volume to obtain;
.
Rounding to the nearest tenth means we should round to one decimal place. This will give us;