Solve 20*(5*10^-9)/-1

$$\frac { 20 \cdot ( 5 \times 10 ^ { - 9 } ) } { - 1 }$$

Evaluate

$$-\frac{1}{10000000}=-0.0000001$$

Solution Steps

Multiply 20 and 5 to get 100.

$$\frac{100\times 10^{-9}}{-1}$$

Calculate 10 to the power of -9 and get \frac{1}{1000000000}.

$$\frac{100\times \frac{1}{1000000000}}{-1}$$

Multiply 100 and \frac{1}{1000000000} to get \frac{1}{10000000}.

$$\frac{\frac{1}{10000000}}{-1}$$

Express \frac{\frac{1}{10000000}}{-1} as a single fraction.

$$\frac{1}{10000000\left(-1\right)}$$

Multiply 10000000 and -1 to get -10000000.

$$\frac{1}{-10000000}$$

Fraction \frac{1}{-10000000} can be rewritten as -\frac{1}{10000000} by extracting the negative sign.

$$-\frac{1}{10000000}$$

Factor

$$-\frac{1}{10000000} = -1 \times 10^{-7}$$