Solve -0.8-4/3(-0.8)^3

$$\frac { - 0.8 - 4 } { 3 ( - 0.8 ) ^ { 3 } }$$

Evaluate

$$3.125$$

Solution Steps

Subtract 4 from -0.8 to get -4.8.

$$\frac{-4.8}{3\left(-0.8\right)^{3}}$$

Calculate -0.8 to the power of 3 and get -0.512.

$$\frac{-4.8}{3\left(-0.512\right)}$$

Multiply 3 and -0.512 to get -1.536.

$$\frac{-4.8}{-1.536}$$

Expand \frac{-4.8}{-1.536} by multiplying both numerator and the denominator by 1000.

$$\frac{-4800}{-1536}$$

Reduce the fraction \frac{-4800}{-1536} to lowest terms by extracting and canceling out -192.

$$\frac{25}{8}$$

Factor

$$\frac{5 ^ {2}}{2 ^ {3}} = 3\frac{1}{8} = 3.125$$