Comparing decimals
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which shows another way to write 5.07?
0
0
5 + 0.7
5 +0.07
(5 * 1) + (7 * 0.001)
(5 * 0.1) + (7 * 0.01)

5+0.07 because 0.07 is the same as that but plus the 5!! hope this helps.

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.