A student randomly pulled out markers from a bag and recorded the frequency for each color. The results are shown in the table below. How many times would you expect to select a blue
marker if you randomly pull out a marker 140 times and replace it each time?
Color of Marker Frequency
Black
8
Red
5
Green
6
Blue
7
Orange
2.
A 7
R
B
28
с
30
D
35

It would be 18 cm

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.

Yes the slope to this is -5