Which shows a set of three equivalent decimals?
0.8, 0.08, 0.800
0.8, 0.80, 0.800
8.0, 0.80, 0.800
8.0, 8.00, 0.800

answer:

2nd Choice (0.8, 0.80, 0.800)

Step-by-step explanation:

The 8 is always in the tenths place, doesn't matter how many zeros are before or after since there are no other numbers.

256π units²   (answer b)

step-by-step explanation:

the formula for the surface area of a sphere of radius r

is             a = 4πr²

and so, if r = 8 units, then the surface area is:

a = 4π(8 units)² = 256π units²   (answer b)

step-by-step explanation: