Practice Introduction (1) - Laws of Exponents - IB 10 Mathematics

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10 questions

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6 sample questions

Question 1.
What is $3^2$ ?
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Multiply 3 by itself.
Question 2.
What does $10^0$ equal?
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Use the Zero Exponent Law.
3Question 3.
What is the value of $2^3$ ?
- 5
- 6
- 8
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Multiply 2 three times.
4Question 4.
The expression $a^m \div a^n$ simplifies to which of the following?
- a^{m+n}
- a^{m-n}
- a^{mn}
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You need to subtract the exponents.
Question 5.
If $d = 10^{-2} z^{-1}$ and $z = 5$ , what is the simplified expression for $d$ ?
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You need to apply the negative exponent to turn it into a reciprocal.
Question 6.
Simplify $\frac{4^3 \times 4^{-2}}{4^{0}}$ .
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Supremacy of exponents comes into play here; remember that 4^0 = 1.

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