Perfect squares and cubes
Find both square roots
√81
9 and -9
Simplify the expression. Leave your answer as an exponent.
(x4)(x3)
x7
Write in scientific Notation
12,300,000
1.23 x 107
Write the answer in scientific notation.
(3.2 x 108) + (4.6 x 108)
7.8 x 108
Write the answer in scientific notation.
(3.1 x 102)(2 x 103)
6.2 x 105
Find both square roots
√225
15 and -15
Simplify the expression. Leave your answer as an exponent.
79 / 72
77
Write in scientific notation.
0.0000082
8.2 x 10-6
Write the answer in scientific notation.
(4.5 x 105) - (1.9 x 105)
2.6 x 105
Write the answer in scientific notation.
(6.3 x 107)/(3 x 104)
2.1 x 103
What is the difference between (-7)2 and -72?
49 and -49 (The difference would be 98.)
Simplify the following. Write the answer using an exponent.
15x5/ 3x7
5x-2 or 5/x2
Write in standard notation
2.5 x 105
250,000
Write the answer in scientific notation.
(7.4 x 106) + (5.2 x 105)
7.92 x 106
Write the answer in scientific notation.
(5.8 x 108)(4 x 103)
23.2 x 1011 = 2.32 x 1012
3√64
4
Find the value.
2-3
1 / 8
Write in standard notation
3.06 x 10-3
0.00306
Write the answer in scientific notation.
(5 x 108) - (4 x 106)
4.96 x 108
Write the answer in scientific notation.
(1.5 x 105)/(3 x 102)
.5 x 103 = 5 x 102
3√-125
-5
Simplify the expression.
(2x5)(3x2)(5x10)
30x17
Write in standard notation
5.9 x 100
5.9
Write the answer in scientific notation.
(9.8 x 104) + (9.7 x 103)
10.77 x 104 = 1.077 x 105
Write the answer in scientific notation.
(3.2 x 10-2)/(4 x 10-3)
0.8 x 101 = 8 x 100 = 8