Unit 3 Rational Numbers Review

Front

Order the following from least to greatest: 6.8 x 10^6, 6 x 10^6, 6.6 x 10^6, 6.11 x 10^6

Back

6 x 10^6, 6.11 x 10^6, 6.6 x 10^6, 6.8 x 10^6

Front

How would you write 0.0005 in scientific notation?

Back

5 x 10^-4

Front

Which number is a perfect square? a) 100, b) 110, c) 120, d) 59

Back

a) 100

Front

Which of these numbers is the least? 9 x 10^4, 1.2 x 10^5, 3.01 x 10^9, 1.901 x 10^4

Back

1.901 x 10^4

Front

Which number is a perfect square? a) 32, b) 25, c) 22, d) 24

Back

b) 25

Front

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction a/b, where a and b are integers and b ≠ 0.

Front

What is scientific notation?

Back

Scientific notation is a way of expressing numbers as a product of a number between 1 and 10 and a power of 10.

Front

What is a perfect square?

Back

A perfect square is a number that can be expressed as the square of an integer.

Front

How do you convert a decimal to scientific notation?

Back

Move the decimal point to the right or left until you have a number between 1 and 10, then count the number of places moved to determine the exponent.

Front

What is the value of 10^3?

Back

10^3 = 1000.