Find the area and the perimeter of the shaded regions below. Give your answer as a completely simplified exact value in terms of
π (no approximations). The figures below are based on semicircles or quarter circles and problems b), c), and d) are involving portions of a square.
1 answer:
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To prove the divisibility lets expand each number first to get the complete picture of the problem
51^7 = 8.974106779 . 10^11
51^6 = 1.75962878 . 10^10
(51^7 - 51^6) = 8.974106779 . 10^11 - 1.75962878 . 10^10
= 8.798143901. 10^11
= 3.51925756. 10^10
That is the answer expressed in scientific notation
= 35192575600
Which means the divisibility is proven
