Exponents
Write 4x4x4x4x4x4x4 in exponential form.
47
Evaluate: (22)3
26 = 64
Is the following expression written in scientific notation? If not, explain why. 3.25 + 10-7
No, it should be multiplied, not added.
Solve the expression. Write your answer in scientific notation. (3.7 x 109) + (9.04 x 109)
12.74 x 109 = 1.274 x 1010
Solve for x:
x2 = 100
x = ±10
Write 35 in expanded Form.
3x3x3x3x3
Simplify: (4y)3
64y3
The mass of Jupiter is approximately 1,900,000,000,000,000,000,000,000,000 kg. Write the mass of Jupiter in scientific notation.
1.9 x 1027
Solve the expression. Write your answer in scientific notation. (8.45 x 10-7) - (6.9 x 10-7)
1.55 x 10-7
Solve for x:
x2 = 9
x = ±3
Evaluate the expression, (-3)3
-27
Simplify: (x5)(x9)
x14
The mass of a Monarch butterfly is about 9.5 x 10-3. Write this number in standard form.
.0095
9 x 10-5 * 8 x 10-4
7.2 x 10-8
Solve for x:
x2 = 4/9
x = ±2/3
Evaluate the expression, (149)0
1
Simplify: (36x4y3) / (6xy2)
6x3y
The size of the Sahara desert is about 3.629 x 106 square miles and the Arabian desert is about 9 x 105 square miles. Which desert is larger? Explain how you know.
Sahara, because the exponent is bigger.
8.0 x 107 / 4.0 x 105
2 x 102
Solve for x:
x3 = 27
x = 3
Evaluate the expression, 9-2
1/81
Simplify: (5x2)3 / (7y9)0
125x6
The size of the four oceans, in square km, is shown below. List the oceans from smallest to largest. Pacific Ocean - 1.7965 x 108, Arctic Ocean - 1.323 x 107, Atlantic Ocean - 1.061 x 108, Indian Ocean - 7.49 x 107
Arctic, Indian, Atlantic, Pacific
(7.5 x 103) + (5.25 x 105)
5.325 x 105
Solve for x:
x3 = -512
x = -8