At an elevation of 1221.4 feet, Lake Mead will hold 28,945,000 acre-feet of water. Which number is the best estimate of this amount of water?

3×10 6

2×10 7

2×10 7

3×10 7

2×10 8

Step-by-step explanation:

At an elevation of 1221.4 feet, Lake Mead will hold 28,945,000 acre-feet of water.

So, the amount of water that is in the lake will be 28,945,000 acre-feet which is estimated to be 30000000 acre-feet of water.

Therefore, the number is the best estimate of this amount of water. (Answer)

828. all there is to it!

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thats the rounding one, but if you just click the top left, it shows you all the calculators you may need!