(Level 2) Select all the expressions with value less than one.
1 point
1
Question 2
2.
Evaluate the expression.
1 point
1
Question 3
3.
Evaluate the expression.
1 point
1
Question 4
4.
(Level 2) Write the following number as both a perfect squareand a perfect cube.
64=_______ 64=_______
1 point
1
Question 5
5.
(Level 3) Simplify the following expression.
1 point
1
Question 6
6.
(Level 3) Evaluate the following expression when a=5 and b=6. Simplify your answer.
1 point
1
Question 7
7.
(Level 3) Select all the pairs of numbers that are equivalent.
1 point
1
Question 8
8.
(Level 3) Convert the following whole numbers to exponential form. Choose your answers from the answer bank below.
A. -8=________
B. -\frac{1}{9}=________
C. \frac{1}{4}________
Other Answer Choices:
1 point
1
Question 9
9.
Simplify the following expression. Express your answer in scientific notation.
1 point
1
Question 10
10.
Simplify the following expression. Express your answer in scientific notation.
1 point
1
Question 11
11.
(Level 4) There are 8 elephants in the zoo. Each elephant eats about 2.16 x 10^5 pounds of vegetation per year. The zookeeper asked Nate and Elena to determine how many pounds of begetation are required to feed all of the elephants. They wrote their solutions in scientific notation. Who is correct? Explain.
