2 answers:
Answer:
9a^2sqrt(ab)
Step-by-step explanation:
The first noticable thing is that 81 has a perfect square of 9.
So it is now 9sqrt(a^5b)
you can split the a^5, to a^4 × a.
you can now take the sqrt of a^4, which is a^2, and pull it out from the sqrt
You are now left with 9a^2sqrt(ab)
Answer:
9a^2sqrt(ab)
Step-by-step explanation:
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Answer:

Explanation:

apply exponent rule:
apply radical rule:

simplify more:

final answer:

28000 x 12/100 = $3360
Previous price :
28000 - 3360 = $24,640
5s =2km
1s=0.4km. 0.4km/s
1hr=1440km. 1440km/hr
He can expect to win 15 matches.
Answer:
38.4
Explanation:
32% = .32
.32*120
38.4