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makvit [3.9K]
3 years ago
14

The formula for the surface area of a sphere is A=4pi r*2, where r is the length of the radius. Find the surface area of the sph

ere with a radius of 14. Use 22/7 as pi
Mathematics
1 answer:
g100num [7]3 years ago
8 0

Answer:

Step-by-step explanation:

area=4×22/7×14²=4×22×28=2464 units²

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Approximately how many inches are in 2500 millimeters? Given 1 in = 2.54 cm, 1 ft = .3048 m, 1 mi = 1.61 km.
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Let's begin with 2500 mm and convert this to cm.  

2500 mm = 250 cm

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5. Explain how you could use compatible numbers to estimate 245 ÷ 3. Then estimate the quotient.​
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Compatible numbers are defined as the numbers which are very close to the numbers that they are replacing that divides evenly into each other.

In the context, we have to estimate the quotient using the compatible numbers in order to estimate 245 divided by 3.

So, estimating 245 as 240 and 3 as 30.

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