Solve 22/7*1.4*1.4*2.8=

$$\frac{ 22 }{ 7 } \times 1.4 \times 1.4 \times 2.8=$$

Evaluate

$$17.248$$

Solution Steps

Convert decimal number 1.4 to fraction \frac{14}{10}. Reduce the fraction \frac{14}{10} to lowest terms by extracting and canceling out 2.

$$\frac{22}{7}\times \frac{7}{5}\times 1.4\times 2.8$$

Multiply \frac{22}{7} times \frac{7}{5} by multiplying numerator times numerator and denominator times denominator.

$$\frac{22\times 7}{7\times 5}\times 1.4\times 2.8$$

Cancel out 7 in both numerator and denominator.

$$\frac{22}{5}\times 1.4\times 2.8$$

Convert decimal number 1.4 to fraction \frac{14}{10}. Reduce the fraction \frac{14}{10} to lowest terms by extracting and canceling out 2.

$$\frac{22}{5}\times \frac{7}{5}\times 2.8$$

Multiply \frac{22}{5} times \frac{7}{5} by multiplying numerator times numerator and denominator times denominator.

$$\frac{22\times 7}{5\times 5}\times 2.8$$

Do the multiplications in the fraction \frac{22\times 7}{5\times 5}.

$$\frac{154}{25}\times 2.8$$

Convert decimal number 2.8 to fraction \frac{28}{10}. Reduce the fraction \frac{28}{10} to lowest terms by extracting and canceling out 2.

$$\frac{154}{25}\times \frac{14}{5}$$

Multiply \frac{154}{25} times \frac{14}{5} by multiplying numerator times numerator and denominator times denominator.

$$\frac{154\times 14}{25\times 5}$$

Do the multiplications in the fraction \frac{154\times 14}{25\times 5}.

$$\frac{2156}{125}$$

Factor

$$\frac{11 \cdot 2 ^ {2} \cdot 7 ^ {2}}{5 ^ {3}} = 17\frac{31}{125} = 17.248$$