Evaluate Using Scientific Notation (1.210^4)(1.210^4)

$(1.2 \cdot 10^{4}) (1.2 \cdot 10^{4})$

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

$(1.2 \cdot 1.2) (10^{4} \cdot 10^{4})$

Multiply $1.2$ by $1.2$ .

$1.44 (10^{4} \cdot 10^{4})$

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

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

$1.44 \cdot 10^{4 + 4}$

Add $4$ and $4$ .

$1.44 \cdot 10^{8}$

Evaluate Using Scientific Notation (1.2*10^4)(1.2*10^4)