Evaluate Using Scientific Notation (3.810^8)(6.910^5)

$(3.8 \cdot 10^{8}) (6.9 \cdot 10^{5})$

Group coefficients together and exponents together to multiply numbers in scientific notation.

$(3.8 \cdot 6.9) (10^{8} \cdot 10^{5})$

Multiply $3.8$ by $6.9$ .

$26.22 (10^{8} \cdot 10^{5})$

Multiply $10^{8}$ by $10^{5}$ by adding the exponents.

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$26.22 \cdot 10^{8 + 5}$

Add $8$ and $5$ .

$26.22 \cdot 10^{13}$

Write $26.22 \cdot 10^{13}$ in proper scientific notation.

$2.622 \cdot 10^{14}$

Evaluate Using Scientific Notation (3.8*10^8)(6.9*10^5)