Solve =71.4-0.3(2.990557)+0.2(-2.499625)/10

$$= \frac { 71.4 - 0.3 ( 2.990557 ) + 0.2 ( - 2.499625 ) } { 10 }$$

Evaluate

$$7.00029079$$

Solution Steps

Multiply 0.3 and 2.990557 to get 0.8971671.

$$\frac{71.4-0.8971671+0.2\left(-2.499625\right)}{10}$$

Subtract 0.8971671 from 71.4 to get 70.5028329.

$$\frac{70.5028329+0.2\left(-2.499625\right)}{10}$$

Multiply 0.2 and -2.499625 to get -0.499925.

$$\frac{70.5028329-0.499925}{10}$$

Subtract 0.499925 from 70.5028329 to get 70.0029079.

$$\frac{70.0029079}{10}$$

Expand \frac{70.0029079}{10} by multiplying both numerator and the denominator by 10000000.

$$\frac{700029079}{100000000}$$

Factor

$$\frac{700029079}{2 ^ {8} \cdot 5 ^ {8}} = 7\frac{29079}{100000000} = 7.00029079$$