Question

express 684 million in scientific notation

Answer 1

As per my thinking, it should be as 684×10^4

Answer 2

684 million can be expressed in the form of scientific notation as 6.84 × 10⁸.

- 684 million can be normally written as 684,000,000

- In scientific notation, the number is expressed between 1 to 9 and in the powers of ten as 10ⁿ

- So, we can write 684 million as 6.84 × 10⁸