Exponents
Write 4x4x4x4x4x4x4 in exponential form.
4^7
Evaluate: (10)^3
1000
Is the following expression written in scientific notation? If not, explain why. 3.25 + 10^-7
No, it should be multiplied, not added.
Put into standard form:
3.45 x 10^5
345,000
Is -2^8 the same answer as (-2)^8? Explain.
No, without parentheses () the answer will be negative, with them the answer will be positive.
Write 3^5 in expanded Form.
3x3x3x3x3
Simplify: (-2)^3
-8
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 10^27
Put into standard form:
6.3 x 10^-2
0.063
Shelly's work is shown here: (10^-2) = 0.01
Is Shelly correct? Explain.
Yes 1/100 = 0.01
Evaluate the expression, (-3)^3
-27
Evaluate: 10^(-6)
1/1,000,000
Put into scientific notation:
361,000,000
3.61 x 10^8
Is the following number written in scientific notation? Why or why not? 13.79 x 10^7
No, 13.79 is greater than or equal to 10.
Evaluate the expression, (149)^0
1
Evaluate: 3^(-4)
1/81
The size of the Sahara desert is about 3.629 x 10^6 square miles and the Arabian desert is about 9 x 10^5 square miles. Which desert is larger? Explain how you know.
Sahara, because the exponent is bigger.
Put into scientific notation:
0.04001
1 x 10^-4
Evaluate: -10^5
-100,000
Evaluate the expression, 9^-2
1/81
Simplify: x^-10
1/x^10
The size of the four oceans, in square km, is shown below. List the oceans from largest to smallest. Pacific Ocean - 1.7965 x 10^8,
Arctic Ocean - 1.323 x 10^7,
Atlantic Ocean - 1.061 x 10^8,
Indian Ocean - 7.49 x 10^7
Pacific, Atlantic, Indian, Arctic
Put into standard form:
4.66 x 10^-5
0.0000466
Change into Scientific Notation:
0.000045
4.5 x 10^-5