Powers & Exponents 1 — Basic Math

Questions in this quiz (10)

1. Find the value of: $$3^4$$

   • $$12$$
   • $$27$$
   • $$81$$
   • $$64$$

2. Find the square of 18.

   • $$144$$
   • $$216$$
   • $$162$$
   • $$324$$

3. Find the value of: $$\sqrt{196}$$

   • $$12$$
   • $$13$$
   • $$14$$
   • $$16$$

4. Use a calculator to find $$\sqrt{75}$$ to the nearest tenth.

   • $$8.4$$
   • $$8.7$$
   • $$8.9$$
   • $$9.2$$

5. Find the value of: $$(-4)^{-2}$$

   • $$\frac{1}{16}$$
   • $$-\frac{1}{16}$$
   • $$16$$
   • $$-16$$

6. A cube has side lengths of 8 inches. Which expression represents the volume of the cube, in cubic inches?

   • $$8^1$$
   • $$8^2$$
   • $$8^3$$
   • $$8^6$$

7. Which of the following expressions has the greatest value?

   • $$5^{-2}$$
   • $$5^0$$
   • $$5^1$$
   • $$2^2$$

8. $$6.2\times10^4\qquad\text{or}\qquad7.1\times10^3$$Which quantity is greater?

   • $$6.2\times10^4$$
   • $$7.1\times10^3$$
   • They are equal.
   • Cannot be determined.

9. Write 8,450,000 in scientific notation.

   • $$8.45\times10^5$$
   • $$8.45\times10^6$$
   • $$84.5\times10^5$$
   • $$0.845\times10^7$$

10. Convert the following number from scientific notation to standard notation: $$7.82\times10^{-5}$$

    • $$0.0000782$$
    • $$0.000782$$
    • $$0.00782$$
    • $$0.00000782$$