Basic Math Examples

$17^{- 18} \div 17^{7}$

Step 1

Rewrite the division as a fraction.

$\frac{17^{- 18}}{17^{7}}$

Step 2

Move $17^{- 18}$ to the denominator using the negative exponent rule $b^{- n} = \frac{1}{b^{n}}$ .

$\frac{1}{17^{7} \cdot 17^{18}}$

Step 3

Multiply $17^{7}$ by $17^{18}$ by adding the exponents.

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Step 3.1

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

$\frac{1}{17^{7 + 18}}$

Step 3.2

Add $7$ and $18$ .

$\frac{1}{17^{25}}$

Step 4

The result can be shown in multiple forms.

Exact Form:

$\frac{1}{17^{25}}$

Decimal Form:

$1.73291382 \cdot 10^{- 31}$