Question

simplify the radical expression.
picture below :)

Answer 1

so ! \[160=16.10\]
then use \[\sqrt{a.b}=\sqrt{a}\sqrt{b}\]
so what's \[\sqrt{160}\]

Answer 2

??!!

Answer 3

are you saying simplify the square root of 16 and 10 ?

Answer 4

yeaah !

Answer 5

if you could !

Answer 6

\[-4\sqrt{160} \implies -4\sqrt{16 \times 10} \implies -4 \times 4\sqrt{10} \implies ?\]

Answer 7

i got 2 for 16
and 3.16 for 10

Answer 8

You're not supposed to use a calculator...I have done most of the simplifying. Just finish it up...

Answer 9

i got -4 squarerootof 10 ?

Answer 10

Not quite... Multiply that by 4.

Answer 11

what do i multiply by 4

Answer 12

\[-4 \times 4\sqrt{10}\]Just do that and you've got it.

Answer 13

i got it ! thanks ! :)

Answer 14

np