Evaluate Using Scientific Notation (2.610^9)(4.91*10^6)

$(2.6 \cdot 10^{9}) \cdot (4.91 \cdot 10^{6})$

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

$(2.6 \cdot 4.91) (10^{9} \cdot 10^{6})$

Multiply $2.6$ by $4.91$ .

$12.766 (10^{9} \cdot 10^{6})$

Multiply $10^{9}$ by $10^{6}$ by adding the exponents.

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

$12.766 \cdot 10^{9 + 6}$

Add $9$ and $6$ .

$12.766 \cdot 10^{15}$

Write $12.766 \cdot 10^{15}$ in proper scientific notation.

$1.2766 \cdot 10^{16}$

Evaluate Using Scientific Notation (2.6*10^9)*(4.91*10^6)