en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify (-2)^{-7}

Solution

simplify

(- 2)^{- 7}

Solution

- \frac{1}{128}

+1

Decimal Notation

- 0.0078125

Solution steps

(- 2)^{- 7}

Apply exponent rule:

a^{- b} = \frac{1}{a ^{b}}

(- 2)^{- 7} = \frac{1}{( - 2 ) ^{7}}

= \frac{1}{( - 2 ) ^{7}}

(- 2)^{7} = - 128

= \frac{1}{- 128}

Apply the fraction rule:

\frac{a}{- b} = - \frac{a}{b}

= - \frac{1}{128}

Popular Examples

\frac{25}{28} \div 2

simplify sqrt(0.91)simplify

0.91

simplify-6(-9x^2+8x-8)simplify

- 6 (- 9 x^{2} + 8 x - 8)

simplify sqrt(6/14)simplify

\frac{6}{14}

simplify x^2+10+21 simplify

x^{2} + 10 + 21

Frequently Asked Questions (FAQ)

What is (-2)^{-7} ?
The solution to (-2)^{-7} is -1/128