Rational Numbers as Decimals
Write this number as a fraction or a mixed number.
.7.... (Repeating)
7/9
Between which two whole numbers does the square root of 89 fall?
The square root of 89 falls inbetween 8 and 9.
x3=64
x =4
63 x 64
67
Write the following number in scientific notation:
803,000,000
8.03 x 108
Write this number as a fraction or a mixed number.
0.0444...
2/45
Compare the following numbers:
√8, 2.333..., 2.5, 2 1/4
2 1/4, 2.333..., 2.5, √8
x2=49
x=7
(36)-2
3-12
Write .0000000068 in scientific notation.
6.8 x 10-9
Write this number as a fraction or a mixed number. 4.4545....
4 5/11
Which numbers are irrational? Select all that apply.
√36, √23, -4.232323..., .15155151555, .3555..., π
√23, .15155151555, π
x3=125
x=3√125)
410 divided by 44
46
Write 1.359x 105 in standard form
135,900
Write this number as a fraction or a mixed number.
2.191919199....
2 19/99
Classify -0.2525... as rational or irrational. Explain
-0.2525... is rational because it can be written as a fraction
No, Maya needs to include both the positive and negative solutions of the equation.
9-4
1/94
4.5 times greater
When writing a repeating decimal as a fraction, why does the fraction always have only 9s or 9 and 0s as digits in the denominator?
You always subtract x from an equivalent expression whose constant is a power of 10.
Classify each number as a perfect square, a perfect cube, both or neither.
27, 100, 64, 24
27- perfect cube, 100-perfect square, 64-both, 24- neither
The area of a square garden is 121 ft2. How long is each side of the garden?
11 ft
Evaluate each expression for x=2 and y=5.
-4x-2 + 3y0
2
About 1,000, 000, 000 or 1 x 109