3*1/2+7

Solution

3 \cdot \frac{1}{2} + 7

8 \frac{1}{2}

Solution steps

3 \cdot \frac{1}{2} + 7

Follow the PEMDAS order of operations

Multiply and divide (left to right)

3 \cdot \frac{1}{2} : \frac{3}{2}

= \frac{3}{2} + 7

Add and subtract (left to right)

\frac{3}{2} + 7 : \frac{17}{2}

= \frac{17}{2}

Convert improper fractions to mixed numbers:

\frac{17}{2} = 8 \frac{1}{2}

= 8 \frac{1}{2}

1 0^{5} - 1 0^{3}

2 (- 1)^{2} + 5

1 0^{2} + 4^{2}

2^{2} - 5 (2) + 2

(- 2)^{3} \div (- 3)