What is (9n)/(2n)*7/(5n) ?

The solution to (9n)/(2n)*7/(5n) is (63)/(10n)

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simplify (9n)/(2n)*7/(5n)

simplify

\frac{9 n}{2 n} \cdot \frac{7}{5 n}

\frac{63}{10 n}

Solution steps

\frac{9 n}{2 n} \cdot \frac{7}{5 n}

Cancel the common factor:

n

= \frac{9}{2} \cdot \frac{7}{5 n}

Apply the fraction rule:

\frac{a}{b} \cdot \frac{c}{d} = \frac{a \cdot c}{b \cdot d}

= \frac{9 \cdot 7}{2 \cdot 5 n}

Multiply the numbers:

9 \cdot 7 = 63

= \frac{63}{2 \cdot 5 n}

Multiply the numbers:

2 \cdot 5 = 10

= \frac{63}{10 n}

3 \cdot \frac{3}{3}

1 - cos (2 θ)

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(8 - a)^{2}