Evaluate Using Scientific Notation (1.410^1)(810^4)

$(1.4 \cdot 10^{1}) (8 \cdot 10^{4})$

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

$(1.4 \cdot 8) (10^{1} \cdot 10^{4})$

Multiply $1.4$ by $8$ .

$11.2 (10^{1} \cdot 10^{4})$

Multiply $10^{1}$ by $10^{4}$ by adding the exponents.

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

$11.2 \cdot 10^{1 + 4}$

Add $1$ and $4$ .

$11.2 \cdot 10^{5}$

Write $11.2 \cdot 10^{5}$ in proper scientific notation.

$1.12 \cdot 10^{6}$

Evaluate Using Scientific Notation (1.4*10^1)(8*10^4)