issb mathematics MCQ #603

Express 0.045 as percent.

issb mathematics MCQ #603

  1. Question 1

    Q1. Express 0.045 as percent.

    • A) 0.45%
    • B) 4.5%
    • C) 45%
    • D) 0.045%

    Answer: 4.5%

    Explanation: Multiply by 100 to convert decimal to percent giving 4.5%. Work each step carefully; ISSB math rewards accuracy under time pressure.