1. 5 23 14=
    • 5 212
    • 1 512
    • 22 23
    • 5 16

  2. Which of the following correctly expresses the number 17?
    • 32 + 23
    • 33 + 22
    • 32 + 22
    • 33 + 22

  3. Which of the following is equivalent to 105?
    • 10,000
    • 100,000
    • 1,000
    • 0.001

  4. Which of the following is equivalent to 10-3?
    • 0.001
    • 0.01
    • 10.0
    • 100.0

  5. Which of the following is equivalent to 36,741 x 10-3?
    • 367.41
    • 36.741
    • 6,674.1
    • 36,741

 

  1. What is the product of 105 x 103?
    • 1015
    • 10-2
    • 102
    • 108

  2. GST is applied to all services performed by an electrician. If GST is 8%, how much tax would be payable on an invoice charging $357.00 for services?
    • $27.59
    • $26.84
    • $28.56
    • $18.74

  3. An electrician gives a senior citizen discount of $198.00 on a job that cost $792.00. What percentage is the senior’s discount?
    • 15%
    • 35%
    • 5%
    • 25%

  4. An electrical supply business has 7,862 wall receptacles in stock. If 264 of them are lost through theft, approximately what percentage of receptacles has been stolen?
    • 5%
    • 7%
    • 3%
    • 2%