simplify sqrt(2.8)

Solution

simplify

2.8

\frac{14}{5}

Decimal Notation

1.67332 \dots

Solution steps

2.8

Multiply and divide by 10 for every number after the decimal point

There is

1

digit to the right of the decimal point, therefore multiply and divide by

10

= \frac{10 \cdot 2.8}{10}

Multiply the numbers:

10 \cdot 2.8 = 28

= \frac{28}{10}

Cancel

\frac{28}{10} : \frac{14}{5}

= \frac{14}{5}

(9 x + 2 y)^{2}

\frac{x ^{2} - 4}{x ^{3} - 8}

\frac{2}{3} \cdot 30

- 20 \div 5