Solve 70*80/22.2^2

$$\frac{ 70 \cdot 80 }{ 2 { 2.2 }^{ 2 } }$$

Evaluate

$$\frac{70000}{121}\approx 578.512396694$$

Solution Steps

Cancel out 2 in both numerator and denominator.

$$\frac{35\times 80}{2.2^{2}}$$

Multiply 35 and 80 to get 2800.

$$\frac{2800}{2.2^{2}}$$

Calculate 2.2 to the power of 2 and get 4.84.

$$\frac{2800}{4.84}$$

Expand \frac{2800}{4.84} by multiplying both numerator and the denominator by 100.

$$\frac{280000}{484}$$

Reduce the fraction \frac{280000}{484} to lowest terms by extracting and canceling out 4.

$$\frac{70000}{121}$$

Factor

$$\frac{7 \cdot 2 ^ {4} \cdot 5 ^ {4}}{11 ^ {2}} = 578\frac{62}{121} = 578.5123966942149$$