What is the expression written using exponents? (-2)(-2)(-2)
(-2)^3
100
What is 3.471 x 10^-5 written in standard form?
0.00003471
100
square root of 25
5
100
To which set(s) of numbers does 7/8 belong?
rational
200
Simplify: (3^5)^2
3^10
200
What is the value of the expression (-4)^3
-64
200
In one 24-hour day there are 86,400 seconds. What is this number written in scientific notation?
8.64 x 10^4
200
if y^2 = 64; what is y?
8 or -8
200
What is greater 6 or the cube root of 220? How do you know?
The cube root of 220 is greater because 6 x 6 x 6 is 216, and 216 is smaller than 200 so 6 is smaller than its cube root.
300
Rory's garden is square in shape. The length of one side of her garden is 5^2 feet. What is the area of her garden in square feet? Express your answer using exponents.
5^4
300
What is the expression below written using a positive exponent? 5^-3
1/5^3
300
(2.5 x 10^3)(3 x 10^2)
7.5 x 10^5
300
What is the best estimate for square root of 29
5
300
What is the difference between rational and irrational numbers?
Irrational numbers contain decimals that never terminate or repeat. Rational numbers contain decimals that either terminate or repeat.
400
8^7 divided by 8^3
8^4
400
Simplify using positive exponents: 7b^3 divided by 7b^5
First: 7b^-2; Final Answer: 1/7^2
400
(4.7 x 10^5) - (2.8 x 10^3)
4.672 x 10 5
400
What is the cube root of 8
2
400
What does the "real number system" contain?
Whole numbers, integers, rational numbers, and irrational numbers.
500
20b^7 divided by 4b^5
5b^2
500
What is the expression below written using a negative exponent? 1/2^3
2^-3
500
Rewrite 205,789,000 in scientific notation
2.05789 x 10^8
500
What is the best estimate for the cube root of 12
2
500
Order the following numbers from least to greatest:
3.5, square root of 11, 2.82, and square root of 8.