Solve 78.4*10^-5/0.0007=

$$7 \frac { 8.4 \times 10 ^ { - 5 } } { 0.0007 } =$$

Evaluate

$$0.84$$

Solution Steps

Calculate 10 to the power of -5 and get \frac{1}{100000}.

$$7\times \frac{8.4\times \frac{1}{100000}}{0.0007}$$

Multiply 8.4 and \frac{1}{100000} to get \frac{21}{250000}.

$$7\times \frac{\frac{21}{250000}}{0.0007}$$

Express \frac{\frac{21}{250000}}{0.0007} as a single fraction.

$$7\times \frac{21}{250000\times 0.0007}$$

Multiply 250000 and 0.0007 to get 175.

$$7\times \frac{21}{175}$$

Reduce the fraction \frac{21}{175} to lowest terms by extracting and canceling out 7.

$$7\times \frac{3}{25}$$

Multiply 7 and \frac{3}{25} to get \frac{21}{25}.

$$\frac{21}{25}$$

Factor

$$\frac{3 \cdot 7}{5 ^ {2}} = 0.84$$