Homework

1. Write the following numbers in exponential form.

5 × 5 × 5 × 5 × 5 × 5 × 5

9 × 9 × 9

7 × 7 × 7 × 10 × 8 × 8

3 × 7 ×7 × 7 × 7 × 3 × 3

1 × 2 × 3 × 3 × 3

2. Write the following numbers as repeated multiplication.

32

43

34

810

3. Evaluate the following expressions:

33 + 32 – (4 + 8)

6 – 9 × (-4)2

31 + 40 + 52

4. Write the squares of the following numbers:

32 = _______

142 = _______

92 = _______

152 = _______

5. Write the square roots of the following perfect squares:

√25 = _______ √36 = _______ √100 = _______ √169 = _______

6. Using the number lines below, show approximately where the value of the square root of the included number is. Be sure to show the whole number before and after the square root.

Show the square root of 11, and the whole numbers that √11 lies between.

Show the square root of 175, and the whole numbers that √175 lies between.