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Lesson: Negative Exponents

Video

11:51

Sample Question Videos

Worksheet • 25 Questions • 2 Videos

Q1:

Evaluate 2 1 0 2 7 1 1 3 .

  • A 8 1 2 5 6
  • B 9 1 6
  • C 8 1 1 6
  • D 9 2 5 6
  • E 2 5 6 8 1

Q2:

A flea of length 1 4 inches can jump to a height of 14 inches. How many times its length is this?

  • A196 times its length
  • B 1 1 4 times its length
  • C 1 1 9 6 times its length
  • D14 times its length

Q3:

Evaluate 2 1 0 2 7 2 3 .

  • A 9 1 6
  • B 3 4
  • C 1 6 9
  • D 9 4
  • E 3 1 6

Q4:

Given that 𝑥 = 6 + 3 × 8 ÷ 4 and 𝑦 = 4 + ( 8 × 2 ) 3 2 , evaluate 𝑥 𝑦 2 .

  • A 1 2 1 1 4 4
  • B 1 4 4 1 2 1
  • C 1 4 4 4 9
  • D 4 9 1 4 4

Q5:

Which of the following statements is true?

  • A 7 + 1 = 7 1 + 7 4 4 4
  • B 7 + 1 = 7 1 + 4 4 4 7
  • C 7 + 1 = 7 1 + 4 4 4 7
  • D 7 + 1 = 7 1 + 4 4 4 7
  • E 7 + 1 = 7 1 + 7 4 4 4

Q6:

Which of the following is true?

  • A ( 2 ) > ( 2 ) 1 9 1 0
  • B ( 2 ) < ( 2 ) 1 9 1 0
  • C ( 2 ) = ( 2 ) 1 9 1 0

Q7:

Calculate 2 × 3 2 1 1 , giving your answer in its simplest form.

Q8:

If 𝑥 = 2 5 1 2 , then what is the value of 𝑥 1 ?

  • A 1 2 5
  • B 5 1 2
  • C 1 2 5
  • D 5 1 2

Q9:

Calculate 2 + 6 1 1 2 , giving your answer in its simplest form.

  • A 9 4
  • B 2 3
  • C 4 9
  • D 3 2
  • E 6 4

Q10:

Which of the following is equal to 2 3 3 ?

  • A 2 7 8
  • B 2 7 8
  • C 8 2 7
  • D 6 9
  • E 8 2 7

Q11:

Which of the following expressions has the same value as 1 3 2 5 ?

  • A 3 1 0
  • B 3 3
  • C 3 1 0
  • D 3 7
  • E 3 7

Q12:

What is the value of 3 × 2 ÷ 6 5 5 6 ?

Q13:

Which of the following has the same value as 1 2 ÷ 1 2 3 4 ?

  • A 1 2
  • B 1 2 7
  • C 1 2 3 4
  • D2
  • E 1 3 4

Q14:

Which of the following is equal to 3 2 ?

  • A 1 9
  • B 9
  • C 6
  • D 8
  • E 1 9

Q15:

Which of the following is equal to 1 2 5 ?

  • A 3 2
  • B 1 3 2
  • C32
  • D 1 3 2
  • E 5 1 0

Q16:

Which of the following is equal to 1 4 3 ?

  • A64
  • B 3 1 2
  • C 1 6 4
  • D 3 4
  • E 1 1 2

Q17:

Which of the following is equal to 5 2 3 ?

  • A 8 1 2 5
  • B 1 5 6
  • C 8 1 2 5
  • D 1 2 5 8
  • E 1 2 5 8

Q18:

Which of the following is equal to 3 4 × 3 4 5 7 ?

  • A 1 7 9
  • B 9 1 6
  • C 3 4 3 5
  • D 9 1 6
  • E 1 7 9

Q19:

Find the multiplicative inverse of 2 4 1 3 2 .

  • A 5 7 6 1 6 9
  • B 1 6 9 5 7 6
  • C 2 4 1 3
  • D 1 3 2 4

Q20:

Which of the following is true?

  • A 5 > 3 2 4 2 4
  • B 5 < 3 2 4 2 4
  • C 5 = 3 2 4 2 4

Q21:

Rewrite the expression 2 7 8 2 7 4 3 in the form 𝑎 𝑏 𝑚 𝑛 , where 𝑎 and 𝑏 are prime numbers.

  • A 3 2 7 4
  • B 3 2 4 4
  • C 1 2 4
  • D 2 3 4
  • E 3 4 7 2

Q22:

What is the solution set of the equation 𝑥 2 = 5 2 3 1 ?

  • A 4 6 5
  • B 2 3 5
  • C 5 2 3
  • D 5 4 6

Q23:

Given that 𝑎 𝑚 = 5 9 1 , find the value of 𝑚 𝑎 .

  • A 9 5
  • B 1 1 4
  • C 5 9
  • D 14
  • E 45

Q24:

Which of the following expressions has the same value as 4 3 5 6 7 ?

  • A 2 3 5 4 2
  • B 2 3 5 6 7
  • C 2 3 5 4 2
  • D 2 3 5 1 3
  • E 2 3 5 1 3

Q25:

Which of the following has the same value as 3 4 2 3 ?

  • A 4 3 6
  • B 4 3
  • C 4 3 6
  • D 4 3 5
  • E 4 3 5
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