Drag the numbers to match each expression with the best estimate. 410460430440
Expression Estimate
227
.
4
+
213
.
5

513
.
9
−
46
.
1

348
.
2
+
62
.
8

637
.
9
−
206
.
3

127 millimeters is the answer

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.