Pre-Algebra Examples

$(5.3 \cdot 10^{3}) \cdot (1.3 \cdot 10^{- 2})$

Step 1

Multiply $5.3$ by $1.3$ .

$6.89 (10^{3} \cdot 10^{- 2})$

Step 2

Multiply $10^{3}$ by $10^{- 2}$ by adding the exponents.

Tap for more steps...

Step 2.1

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

$6.89 \cdot 10^{3 - 2}$

Step 2.2

Subtract $2$ from $3$ .

$6.89 \cdot 10^{1}$

Step 3

Simplify $10^{1}$ .

$6.89 \cdot 10$

Step 4

Multiply $6.89$ by $10$ .

$68.9$