Question

$(1 \times 10^{5)(6 \times {10}{4}$



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Answer 1

Note that $10^a\cdot10^b=10^{a+b}$ or more general form, $a^b\cdot a^c=a^{b+c}$.

$10^5\cdot6\cdot10^4=\boxed{6\cdot10^9}$

Hope this helps.