# Worksheet: Powers and Exponents

In this worksheet, we will practice identifying the base and exponent in power formulas, writing them in exponential, expanded and word forms, and evaluating simple powers.

**Q4: **

What terminology do we use to describe the 3 in the term ?

- Aan expression
- Ban exponent
- Ca coefficient
- Da factor
- Ea base

**Q5: **

Is the following correct: ?

- A no
- B yes

**Q6: **

Evaluate .

**Q7: **

Calculate .

**Q8: **

Simplify .

- A
- B
- C
- D

**Q9: **

Write four squared using digits.

- A
- B
- C
- D

**Q10: **

Write the expression in words.

- AFour to the fourth power
- BFour to the Three power
- CThree to the fourth power
- DThree to the fifth power

**Q11: **

What is the base in ?

**Q12: **

Is the following correct: ?

- A no
- B yes

**Q13: **

Write seven to the fourth power using digits.

- A
- B
- C
- D

**Q14: **

The cost of each flight of the space shuttle is about . Write this cost in exponential form.

- A dollars
- B dollars
- C dollars
- D dollars
- E dollars

**Q15: **

The African bush elephant is the largest land animal and weighs about 8 tons. Express this amount in exponential form.

- A tons
- B tons
- C tons
- D tons
- E tons

**Q16: **

Express the volume of a cube of edge length 5 units as an exponent, and then determine its value.

- A , 25 cubic units
- B , 125 cubic units
- C , 15 cubic units
- D , 32 cubic units
- E , 125 cubic units

**Q17: **

The prefix kilo in kilometre represents metres. Write this length as a power of ten.

- A metres
- B metres
- C metres
- D metres
- E metres

**Q18: **

The prefix mega in megameter represents meters. Write this number as a power of ten.

- A
- B
- C
- D
- E

**Q19: **

Find the digit in the units place of .

**Q20: **

Use a calculator to determine whether this sentence is true or false: .

- Afalse
- Btrue

**Q21: **

Complete the following using ,, or : .

- A
- B
- C

**Q22: **

Complete the following using ,, or : .

- A
- B
- C

**Q23: **

Which of the following is true?

- A
- B
- C

**Q24: **

Complete the following using ,, or : .

- A
- B
- C

**Q25: **

Complete the following using ,, or : .

- A
- B
- C