Question

Without a calculator, determine the square root of 0.00000625 and explain how you figured it out.

Answer 1

i guess it would help if you knew what the square root of 625 is 25

Answer 2

yeah

Answer 3

i knew that.

Answer 4

do you just move the decimal over?

Answer 5

then you would have
\[\frac{325}{100,000,000}\]

Answer 6

take pairs.

Answer 7

Find two numbers that multiply to get .00000625

Answer 8

sorry that is
\[\frac{625}{100,000,000}\] and the square root of 625 is 25 , the square root of 100,000,000 is 10,000 (half of 8 zeros is 4 zeros) so you get
\[\frac{25}{10,000}\] now turn it back into a decimal

Answer 9

okaaayyy. how do i turn that into a decimal without a calc.....

Answer 10

.0025 *.0025

This will yield the same thing. It has eight decimal places in total

Answer 11

I did that without a calculator

Answer 12

you turn it into a decimal without a calculator by moving the decimal 4 places to the left in the whole number 25
you get hero's answer
\[.0025\]

Answer 13

kk thnx babe

Answer 14

nice commas satellite

Answer 15

thank you. without them i cannot tell 1000000 from 10000000

Answer 16

lol

Answer 17

whats wrong with \[10^{-8}=\frac{1}{100000000}\]

Answer 18

10^(-8) is short and easy to look at it

Answer 19

myininaya!