Exponents
Write 7 x 7 x 7 x 7 x 7 x 7 in exponential form.
76
Rewrite this expression using positive exponenets only.
x-3
1/x3
Which of the following integers are perfect squares?
73, 250, 16, 325, 49, 81
16, 49, 81
What is the cube root of 64?
4
Write this number in scientific notation.
0.0000045
4.5 x 10-6
Write b x b x b x c x c in exponential form.
b3c2
Rewrite this expression using positive exponents only. Evaluate if needed.
(2-2)(33)
(1/22)(27)= 6.75
Find the square root of 81.
9
What is the cube root of 125?
5
Write this number in scientific notation.
92,000,000
9.2 x 107
What is the value of 43?
64
Rewrite this expression using positive exponents only. Simplify if possible.
a-4b-2
(1/a4)(1/b2)= 1/a4b2
Find the square root of 196.
14
What is the cube root of 343?
7
Write this number in standard form.
3.7 x 104
37,000
What is the value of (24)(32)?
144
Use exponent laws to simplify (x²)⁻³.
(x2)−3=x−6=1/x6
The square root of 45 falls in between which two integers.
6 and 7
Is the cubed root of a negative going to be a positive or negative integer?
Negative
Write this number in standard form.
5.9 x 10-3
0.0059
What is the value of (52)3?
15,625
Rewrite the expression using positive exponents only. Evaluate if needed.
82 x 50 x 6-1
64 x 1 x 1/61= 64 x 1 x 1/6= 64/6
What is the square root of 0.25, round to the nearest tenth if necessary.
0.5
What is the cube root of -1,728
-12
Multiply (3 × 10³)(4 × 10⁻⁵) and give the answer in scientific notation.
(3×103)(4×10−5)=(3⋅4)×103−5=12×10−2=1.2×10−1