Is the following expression written in scientific notation? If not, explain why.
3.25 + 10^-7
No, it should be multiplied, not added.
100
What is Mrs. Gause's favorite color?
blue
100
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.
200
Write 3^5 in expanded Form.
3x3x3x3x3
200
Simplify:
(4y)^3
64y^3
200
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
200
How old is Mrs. Gause?
29
200
Shelly's work is shown below:
(5^4)(5^-3) = 5
Is Shelly correct? Explain.
Yes, 4+-3 = 1. 5^1=5
300
Evaluate the expression, (-3)^3
-27
300
Simplify:
(x^5)(x^9)
x^14
300
The mass of a Monarch butterfly is about 9.5 x 10^-3. Write this number in standard form.
.0095
300
When is Mrs. Gause's birthday?
April 2nd
300
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.
400
Evaluate the expression, (149)^0
1
400
Simplify:
(36x^4y^3)/(6xy^2)
6x^3y
400
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.
400
What does Mrs. Gause drive?
Jeep
400
The mass of Mars is about 6.4 x 10^23 kg. It would take about 2,970 of the planet Mars to equal the mass of Jupiter. What is the mass of Jupiter?
1.9008 x 10^27
500
Evaluate the expression, 9^-2
1/81
500
Simplify:
(5x^2)^3/(7y^9)^0
125x^6
500
The size of the four oceans, in square km, is shown below. List the oceans from smallest to largest.
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
Arctic, Indian, Atlantic, Pacific
500
What year did Mrs. Gause graduate from Loris High School?
2008
500
Jahliek solved the problem shown below:
(2 x 10^4)(1.8 x 10^6) = 3.6 x 10^-2
Is he correct? Explain.
No. He was supposed to add the exponents, not subtract.