Evaluate Using Scientific Notation (1.510^7)(3*10^-3)

$(1.5 \cdot 10^{7}) \cdot (3 \cdot 10^{- 3})$

Step 1

Multiply $1.5$ by $3$ .

$4.5 (10^{7} \cdot 10^{- 3})$

Step 2

Multiply $10^{7}$ by $10^{- 3}$ by adding the exponents.

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

$4.5 \cdot 10^{7 - 3}$

Subtract $3$ from $7$ .

$4.5 \cdot 10^{4}$

Evaluate Using Scientific Notation (1.5*10^7)*(3*10^-3)