How do you multiply $6.02x10^23 * 7.5x10^24$ ?

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Answer 1 · 2015-04-25T14:14:21

Key points to remember
$b^m*b^n = b^(m+n)$
and
$(pxxq)*(rxxs) " can be rearranged as " (pxxr)xx(qxxs)$

So
$6.02xx10^23*7.5xx10^24$

$= (6.02xx7.5) xx (10^23xx10^24)$

$= 45.15 xx 10^47$

How do you multiply 6.02x10^23 * 7.5x10^246.02x10^23 * 7.5x10^24?