Answer:
B) -125a^11
Step-by-step explanation:
(-5a^2)^3·a^5 = (-5)^3·a^6·a^5
= (-5)^3·a^(2·3)·a^5
= (-5)^3·a^6·a^5
= -125·a^(6+5)
= -125·a^11 . . . . matches choice B
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The applicable rules of exponents are ...
(a^b)(a^c) = a^(b+c)
(a^b)^c = a^(bc)
there are no real square roots of 25,36
Answer:
63
Step-by-step explanation:
a=9
7a
7(9)
63
53 1/10 is the mixed number
Answer:
The annual federal tax deduction is $2705.04 .
Step-by-step explanation:
As given deduction in a week
Federal Tax $52.02
As there are 52 weeks in a week.
Thus
Annual Federal Tax deduction = Total number of weeks in a year × Federal Tax deduction in week
= 52 × 52.02
= $ 2705.04
Therefore the annual federal tax deduction is $2705.04 .