Pre-Algebra Examples

$a^{7} (a^{8}) (a)$

Step 1

Multiply $a^{7}$ by $a^{8}$ 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.

$a^{7 + 8} a$

Step 1.2

Add $7$ and $8$ .

$a^{15} a$

Step 2

Multiply $a^{15}$ by $a$ by adding the exponents.

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Step 2.1

Multiply $a^{15}$ by $a$ .

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Step 2.1.1

Raise $a$ to the power of $1$ .

$a^{15} a^{1}$

Step 2.1.2

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

$a^{15 + 1}$

Step 2.2

Add $15$ and $1$ .

$a^{16}$