GCSE Maths

Testing Standard Form

writing the speed of light in standard form

Let's see how you got on:
  1. 300,000
    Move the number 3 five places to the right, so power = 5:
    Answer: 3 × 105
  2. 0·0505
    Move 505 twice to the left; power = -2:
    Answer: 5·05 × 10-2
  3. 12,000,000
    Move 12 a total of 7 places to the right; power = 7:
    Answer: 1·2 × 107

Now you need to know how to use your calculator...

GCSE Maths Go back a pageGCSE Maths Maths MenuGCSE Maths Go to next page