Answer:
Step-by-step explanation:
According to the third law of indices,
In this case m=2 and n=4
So that can be applied thus:
<em>2</em><em>×</em><em>4</em><em>=</em><em>8</em>
so it will now be written this way:
<em>x</em><em>^</em><em>8</em>
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Best to look up the formula for the surface area of a sphere and then find it:
A = 4πr^2, where r is the radius of the sphere. Then,
A = 4π(15 in)^2 = 4(3.14)(225 in^2) = 2826 in^2 (answer)
This is represented by the formula given in the lower left.
2.49
57.27 / 23 = 2.49
