%, Dec., Frac.
                Write 1/2 as a decimal.
.5
22
4
Write 67,900,000 in scientific notation.
6.79 x 107
What is the square root of 16?
4
3+2x5
13
What is 75% of 50?
37.5
42
16
In standard form, write 2.7 x 10 -3
.0027
What is the square root of 121?
11
5(4+3)+1
36
Convert 5.8 into a fraction.
29/5
33
27
Write 0.0000021 in scientific notation.
2.1 x 10-5
What makes a square root rational?
If the square root can be made into a ratio.
11-3(6x4)
192
Convert 25/100 into a decimal, and simplify.
1/4=.25000
53
125
Write 4,530,000 in scientific notation.
4.53 x 10 4
What makes a square root irrational?
If a square root is not expressible as a ratio of two integers.
3x7+2(2x3)
128