Find 4.5×10^7 over 1.5×10^-8 . write answer in scientific notation.

asked Dec 17, 2020 167k views

3 votes

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3 votes

Answer:

$\large\boxed{(4.5*10^7)/(1.5*10^(-8))=3*10^(15)}$

Explanation:

The scientific notation:

$a*10^k\ \text{where}\ 1\leq a<10\ \text{and}\ k\in\mathbb{Z}$

We have:

(4.5*10^7)/(1.5*10^(-8))=(4.5)/(1.5)*(10^7)/(10^(-8))

Use

(a^n)/(a^m)=a^(n-m)

=3*10^(7-(-8))=3*10^(7+8)=3*10^(15)

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