Question

simplify square root of 512k to 2nd power

Answer 1

\[\sqrt{512,000^{2}}=512,000\]

Answer 2

k being a variable

Answer 3

I think of 512k as meaning 512000. Are you positive that k is a variable, and not shorthand for 1000?

Answer 4

yes

Answer 5

k is variable

Answer 6

sorry, if "k" is a variable, then 16k√2

Answer 7

All right, then, k is to be considered a variable.

Which do you mean:

\[(\sqrt{512k})^{2},or \sqrt{(512k)^{2}}, or\] are these the same?

Answer 8

the 2nd one

Answer 9

√ an ^2 cancel out=>512k

Answer 10

OK. Square 512k now. Once done, please find the square root of the result.
Dalia's statement is valid; that method involves a lot less work.

Answer 11

thank you