College Algebra Question Please Help!!?

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College Algebra Question Please Help!!?

Simplify the expression. Assume all variables represent positive numbers.

what is the square root of 14m^5 times square root 7m^15

2007-07-10 10:18:47 · 3 answers · asked by butterfly 1 in Science & Mathematics ➔ Mathematics

3 answers

ok so since theres no sqare root sign on the keyboard im just gunna use # as it.
(#14m^5)(#7m^15)
then you multiply them to get
#98m^20
which is the same things as
7m^10#2

2007-07-10 10:27:07 · answer #1 · answered by anna b 3 · 0⤊ 0⤋

sqrt(2*49*m^20) = 7m^10sqrt(2)

2007-07-10 17:23:59 · answer #2 · answered by ironduke8159 7 · 0⤊ 0⤋

(rt14m^5)(rt7m^15)=rt98m^20
= (rt49)(rt2)(rtm^10)(rtm^10)
=7m^10(rt2)

2007-07-10 18:06:27 · answer #3 · answered by Grampedo 7 · 0⤊ 0⤋