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Popular >

7/2*2^1

Solution

\frac{7}{2} \cdot 2^{1}

7

Solution steps

\frac{7}{2} \cdot 2^{1}

Follow the PEMDAS order of operations

Calculate exponents

2^{1} : 2

2^{1}

2^{1} = 2

= 2

= \frac{7}{2} \cdot 2

Multiply and divide (left to right)

\frac{7}{2} \cdot 2 : 7

\frac{7}{2} \cdot 2

Convert element to fraction:

2 = \frac{2}{1}

= \frac{7}{2} \cdot \frac{2}{1}

Cross-cancel common factor:

2

= \frac{7}{1}

Divide the numbers:

\frac{7}{1} = 7

= 7

= 7

(+ 5)^{2} - (- 1)^{2}

2 - 2 (5^{2} + 15)

6^{2} - 4

6^{2} - 7

6^{2} + 8