Real Numbers

Exponents

100

What is 2² x 2^-4?

2^-2 = 1/4

200

What is the value of 3^-2?

1/9

300

What is the value of 3⁵/3^-3 ?

3⁸

400

What is (4²)⁶?

4¹²

500

What is 5⁰?

1

Scientific Notation

100

What is 3.45 x 10^-4 in standard form?

0.000345

200

What is 3,814 in scientific notation?

3.814 x 10³

300

What is (4.15 x 10⁴) + (2.4 x 10²)?

4.174 x 10⁴

400

What is (2.14 x 10³) x (3.1 x 10²)

6.634 x 10⁵

500

What is the value of 〖1.8 x 10⁴〗/〖9 x 10²)] ?

2 x 10¹

Rational or Irrational

100

Which number is rational? a. π b. √5 c. √4d. 6.78…

c. √4

200

Which number is not rational a. √4 b. 3/4c. √6d. 5

c. √6

300

Rational or Irrational 3.14...

Irrational

400

Rational or Irrational 7/8

Rational

500

Rational or Irrational √77

Irrational

Perfect Squares/Perfect Cubes

100

Which of following is a perfect square number? a. 24 b. 16 c. 50 d. 20

b. 16

200

What is/are the square root(s) of 100?

10

300

What is √225 ?

15

400

Which of the following is a perfect cube number? a. 12 b. 30c. 64 d. 100

c. 64

500

If x² = 576, what is x ?

24

Square Roots Approximation

100

What is the BEST estimate for √20 to the nearest tenth?

4.4

200

Where would you place √19 on a number line?

between 4 and 5 but closer to 4

300

What is the BEST estimate for √24 ? Round to the nearest tenth.

4.9

400

Which symbol makes this sentence true? √25__∛8 a. > b. < c. = d. +

a. >

500

Between which two consecutive integers is √170?

13 and 14