Solve 18div1.6*10^-19

$$18 \div 1.6 \times { 10 }^{ -19 }$$

Evaluate

$$0.000000000000000001125$$

Solution Steps

Expand \frac{18}{1.6} by multiplying both numerator and the denominator by 10.

$$\frac{180}{16}\times 10^{-19}$$

Reduce the fraction \frac{180}{16} to lowest terms by extracting and canceling out 4.

$$\frac{45}{4}\times 10^{-19}$$

Calculate 10 to the power of -19 and get \frac{1}{10000000000000000000}.

$$\frac{45}{4}\times \frac{1}{10000000000000000000}$$

Multiply \frac{45}{4} and \frac{1}{10000000000000000000} to get \frac{9}{8000000000000000000}.

$$\frac{9}{8000000000000000000}$$

Factor

$$\frac{3 ^ {2}}{2 ^ {21} \cdot 5 ^ {18}} = 1.125 \times 10^{-18}$$