Answer:
The length is 22.5 and the width is 19.5
Step-by-step explanation:
2L + 2W = P
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2L + 2W = 84
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W + 3 + W + 3 + W + W= 84
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4W + 6 = 84
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4W = 78
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W = 19.5 L = 19.5 + 3 = 22.5
I hope this helps, have a nice day! :D
Answer:
1.8 × 10^10
Step-by-step explanation:
(7.2 × 10 = 72)
(72) ÷ (4 × 10^-9) = 1.8 × 10^10
Answer:

Refer to the attachment for explication of steps. :)
Diamonds are much less abundant (common) compared to water