Question

O que é mantissa do numerotitle="8.9 \times {10}^{5} " alt="8.9 \times {10}^{5} " align="absmiddle" class="latex-formula">
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Answer 1

Just move the decimals to the right 5 times :))

Answer 2

Answer:

$8.9 \times 10 {}^{5} = 890000$

Hope it helps