How do you multiply $(5×10^2)(7×10^5)$ ?

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Answer 1 · 2018-03-30T17:07:57

$35xx10^7$

Or if you're using scientific notation:

$3.5xx10^8$

Multiply the number factors:
$5xx7=35$

Multiply the powers by adding the indices
$10^2xx10^5=10^(2+5)=10^7$

$=35xx10^7$

Or if you are using scientific notation:
$3.5xx10^8$

How do you multiply (5×10^2)(7×10^5)(5×10^2)(7×10^5)?