Solve =2*6.02*10^23/179*4

$$= \frac { 2 \times 6.02 \times 10 ^ { 23 } } { 179 \times 4 }$$

Evaluate

$$\frac{301000000000000000000000}{179}\approx 1.681564246 \cdot 10^{21}$$

Solution Steps

Cancel out 2 in both numerator and denominator.

$$\frac{6.02\times 10^{23}}{2\times 179}$$

Calculate 10 to the power of 23 and get 100000000000000000000000.

$$\frac{6.02\times 100000000000000000000000}{2\times 179}$$

Multiply 6.02 and 100000000000000000000000 to get 602000000000000000000000.

$$\frac{602000000000000000000000}{2\times 179}$$

Multiply 2 and 179 to get 358.

$$\frac{602000000000000000000000}{358}$$

Reduce the fraction \frac{602000000000000000000000}{358} to lowest terms by extracting and canceling out 2.

$$\frac{301000000000000000000000}{179}$$

Factor

$$\frac{7 \cdot 43 \cdot 2 ^ {21} \cdot 5 ^ {21}}{179} = 1.6815642458100557 \times 10^{21}\frac{153}{179} = 1.6815642458100557 \times 10^{21}$$