3 years ago

2852.1 rounded to the nearest tenth of a mile

Mathematics

2 answers:

katrin2010 [14]3 years ago

5 0

2852.1 rounded to the nearest tenth of a mile is still 2852.1

Georgia [21]3 years ago

5 0

It stays the same. 2852.1

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<img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B%20%7B4%20a%7D%5E%7B2%7D%20%2B%20%20%7B12a%7D%5E%7B2%7D%20%7D%20" id="TexFormula1

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1) Simplify 4a² + 12a² to 16a².

$\sqrt{ {16a}^{2} }$

2) Use this rule:

$\sqrt{ab} = \sqrt{a} \sqrt{b}$

$\sqrt{16} \sqrt{ {a}^{2} }$

3) Since 4 × 4 is 16, the square root of 16 is 4.

$4 \sqrt{ {a}^{2} }$

4) Simplify.

$4a$

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