Question

if a = 3by5 power2 ÷ 7by5 power0 find the value of a-3.
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Answer 1

Answer:

$\frac{-66}{25}$ or -2.64

Step-by-step explanation:

a=$\frac{(3/5)^{2} }{(7/5)^{0} }$

a=$(\frac{3}{5})^{2}$            [Anything power 0 is 1]

a=$\frac{9}{25}$

Now,

a-3

=9/25 -3

=$\frac{9-75}{25}$

= $\frac{-66}{25}$or -2.64

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