Basic Math Examples

$(2.7 \cdot 7.2) \cdot (10^{5} \cdot 10^{7})$

Step 1

Multiply $10^{5}$ by $10^{7}$ by adding the exponents.

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Step 1.1

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

$2.7 \cdot 7.2 \cdot 10^{5 + 7}$

Step 1.2

Add $5$ and $7$ .

$2.7 \cdot 7.2 \cdot 10^{12}$

Step 2

Multiply $2.7$ by $7.2$ .

$19.44 \cdot 10^{12}$

Step 3

Move the decimal point in $19.44$ to the left by $1$ place and increase the power of $10^{12}$ by $1$ .

$1.944 \cdot 10^{13}$

Step 4

The result can be shown in multiple forms.

Scientific Notation:

$1.944 \cdot 10^{13}$

Expanded Form:

$19440000000000$