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.
Is -28 the same answer as -(2)8? Explain.
No, with parentheses () the answer will be negative, without them the answer will be positive.
What is the name of the ocean that stretches from the west coast of the U.S. to Asia?
Pacific Ocean
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
Shelly's work is shown below: (54)(5-3) = 5 Is Shelly correct? Explain.
Yes, 4+-3 = 1 and 51=5
In Alaska, there is a town that recently elected an animal as mayor. What kind of animal did they elect?
cat
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.
0.0095
Is the following number written in scientific notation? Why or why not? 13.79 x 107
No, 13.79 is greater than to 10.
What planet is the brightest object in the sky, after the sun and moon?
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.
(2x)-4/x-1⋅x
1/16x4
640
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
ba4⋅(2ba4)-3
1/8b2a8
What is the capital of Finland?
Helsinki