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Natalija [7]
3 years ago
11

How is estimating decimals when adding helpful?

Mathematics
1 answer:
Hoochie [10]3 years ago
4 0
Its helpful because they both work on the same team in a way i cant explain
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10m radius. What is the area of the circle? Round your answer to the nearest tenth.
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Answer:

D

Step-by-step explanation:

The area of a circle can be found using:

a=πr^2

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Evaluate the exponent

a=π*100

Multiply pi and 100

a=314.159265359

Round to the nearest tenth: there is a 5 in the hundreth place, which indicates we round up the 1 in the tenths place to a 2.

a=314.2

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