Question

How do you multiply `(3.3 × 10^4) *(3 × 10^18)`?

Answer 1

Regroup your terms and use the rule for multiplying common based exponents: `b^pxxb^q = b^(p+q)`

Regrouping:
`(3.3 xx 10^4) * (3xx10^18)`
becomes
`(3.3xx3) * (10^4xx10^18)`

`= 9.9 xx 10^22`