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cluponka [151]
3 years ago
12

A football field measures 300 feet in length. It can also be expressed as approximately

Mathematics
1 answer:
Mariana [72]3 years ago
3 0

Answer: n=-2

Step-by-step explanation:

Given

The length of the football field is  300\ ft

In the mile, it can be expressed as 5.7\times 10^n\ mile

Also, 5280\ ft=1\ mile or

1\ ft=\dfrac{1}{5280}\ miles\\\\1\ ft=1.893\times 10^{-4}\ miles

converting 300\ ft to miles

\Rightarrow 300\times 1.893\times 10^{-4}\\\Rightarrow 5.68\times 10^{-2}\approx 5.7\times 10^{-2}

Comparing it with the given value 5.7\times 10^n\ mile

we get n=-2

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