Exponents and Powers MCQs with Answers

Evaluate: $3^4 + 4^3 =$ _?

• A.$145$
• B.$337$
• C.$91$
• D.$256$

$p^{(a - b)} \times p^{(b - c)} \times p^{(c - a)} = ?$

• A.$1$
• B.$p$
• C.$p^{a+b+c}$
• D.$p^{abc}$

$\sqrt[4]{256a^4b^4}$ is equal to _?

• A.$4ab$
• B.$16ab$
• C.$4a^2b^2$
• D.$64ab$

$(125)^{\frac{4}{3}}$ is equal to ?

• A.$625$
• B.$125$
• C.$3125$
• D.$25$

The additive inverse of $9\sqrt{12}$ in simplified form is:

• A.$-18\sqrt{3}$
• B.$-3\sqrt{3}$
• C.$18\sqrt{3}$
• D.$-9\sqrt{12}$

Past Paper MCQ

If the initial population of rats was 20 and grew to 25 after the second year, which of the following functions best models the population of rats $P$ with respect to the number of years $t$ if the population growth of rats is considered to be exponential?

• A.$P = 20(1.25)^t$
• B.$P = 20(0.25)^t$
• C.$P = 25(1.20)^t$
• D.$P = 20(1.25)^{t/2}$

What is the value of $0^\circ$?

• A.$0$
• B.$\infty$
• C.$1$
• D.Undefined

Solve: $2^3 \times 3^{-2} =$ _?

• A.$\frac{8}{9}$
• B.$\frac{9}{8}$
• C.$\frac{6}{5}$
• D.$\frac{8}{6}$

The exponent in $3^4$ is?

• A.$3$
• B.$4$
• C.$12$
• D.$81$

If $n$ is odd, then the expansion of $(a + x)^n$ has _?

• A.1 middle term
• B.3 middle terms
• C.2 middle terms
• D.No middle term