Question

Converting a Large Number into Scientific Notation
Convert this number expressed in standard form to scientific notation.

28,500,000

1. Move the decimal to create the coefficient:   2.8500000

2. Write in scientific notation:          2.85 × 10x

What is the value of x in the scientific notation?

x =

Answer 1

x = 7

Reason: 28,500,000 → 2.85 by moving the decimal 7 places left, so 28,500,000 = 2.85 × 10^7.