3 years ago

Which is a step when multiplying or dividing numbers written in scientific notation?

2 answers:

8 0

I think it might be A.
You usually add / subtract exponents when needed.

3 0

I believe it is A but I’m not sure

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icang [17]

$\\ \sf\longmapsto 8\dfrac{1}{2}\div \left(4\dfrac{4}{5}-7\dfrac{7}{10}\right)$

$\\ \sf\longmapsto \dfrac{17}{2}\div \left(\dfrac{24}{5}-\dfrac{77}{10}\right)$

$\\ \sf\longmapsto \dfrac{17}{2}\div\left(\dfrac{48-77}{10}\right)$

$\\ \sf\longmapsto \dfrac{17}{2}\div \left(\dfrac{29}{10}\right)$

$\\ \sf\longmapsto \dfrac{17}{2}\times \dfrac{10}{29}$

$\\ \sf\longmapsto \dfrac{17(10)}{2(29)}$

$\\ \sf\longmapsto \dfrac{170}{58}$

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7 0

3 years ago

Dovator [93]

The expression is 12x+7

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3 years ago

Bumek [7]

23 x 8 = 184

184 + 3 = 187 = 187/8

187 / 8 = 23 3/8

Answer: 187/8

8 0

3 years ago

Rus_ich [418]

My old ars mind cant do math sorry

7 0

4 years ago

Pachacha [2.7K]

Photomath is the best app to know the math answers

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3 years ago