The Real Number System Review

How would you write 564,000,000 in scientific notation?

• 5.64 x 10^-7

• 5.64 x 10⁸

• 5.64 x 10⁶

• 56.4 x 10⁷

Express the following in scientific notation:

0.000457

• 457 x 10⁶

• 4.57 x10⁴

• 457 x 10^-6

• 4.57 x 10^-4

If the exponent is a positive number...

• you will get a large number in standard form.

• you will get a smaller number in standard form.

If the exponent is a negative number...

• you will get a large number in standard form.

• you will get a smaller number in standard form.

Evaluate

√36

• 6

• -9

• 18

• -18

Evaluate

 $\sqrt{25}$ 

• 6

• 5

• 3

• 8

 $\sqrt{81}$  

Evaluate

• 10

• 3

• 9

• 6

An imperfect square is a number whose square root is ___________.

• Even

• Rational

• Irrational

• Odd

A perfect square is a number whose square root is ___________.

• Even

• Odd

• Rational

• Irrational

Between which two consecutive whole numbers is the√200?

• 13 and 14

• 14 and 15

• 15 and 16

• 11 and 12