Multiple choice

Represent 5600 in standard index form. 

  1. 5.6 × 102

  2. 5.6 × 103

  3. 5.6 × 104

  4. 5.6 × 105

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

To write 5600 in standard index form, move the decimal point so there's one non-zero digit before it. 5600 = 5.6 × 1000 = 5.6 × 10^3. You moved the decimal 3 places left, so the exponent is 3.