Write 4·4·4·4·4·4·4 in exponential form.
47
Evaluate: 22 · 24
26 = 64
Is -28 the same answer as (-2)8? Explain.
No, without parentheses () the answer will be negative, with them the answer will be positive.
Is the following expression written in scientific notation? If not, explain why. 3.25 + 10-7
No, it should be multiplied, not added.
Write 35 in expanded Form.
3·3·3·3·3
Simplify: 43 · 412 · 4-5
410
Shelly's work is shown below: ((54)(5-3))2 = 25 Is Shelly correct? Explain.
Yes, 4+-3 = 1.
52 = 25
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
Evaluate the expression, (-3)2
9
Simplify: (x5)(x9)
x14
What is the result of ((-2)2)2)2 ?
256
The mass of a Monarch butterfly is about 9.5 x 10-3. Write this number in standard form.
0.0095
Evaluate the expression, (-2)5
-32
Simplify: (36x4) / (6x)
6x3
What is (2/3)-2
(9/4)
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.
Evaluate the expression:
-(-9)2
-81
Simplify: (5x2) / (25x-5)
x7 / 5
Find the result of (((2)-2)4)0
1
The size of the four oceans, in square km, is shown below:
Pacific Ocean - 1.7965 x 108, Arctic Ocean - 1.323 x 107, Atlantic Ocean - 1.061 x 108, Indian Ocean - 7.49 x 107
List the oceans from smallest to largest.
Arctic, Indian, Atlantic, Pacific