Step-by-step explanation:
Simplify the following expression then state the property used:
9^-2
Property:
Given,
For any real numbers a and b a, b ≠ 0, and for any two positive integers, n and n
a^-m
=> 1/a^m [By doing reciprocal]
So,
=> 1/9^2
=> 1/(3^2)^2
=> 1/(3^4)
=> 1/(3*3*3*3)
=> 1/81. Ans.
Hope this helps.
4x+x = 30
5x = 30
x = 30/5 =6
6*4 = 24 boxers
and 6 spaniels
Answer:
0.37
= £16855.21 - ( £16855.21 x <u>13.5% )</u>
100
= £ 14,579.75