Question

Express the ratio 1 to 100 million in scientific notation.

Answer 1

1 million (1,000,000) in scientific notation is \[1*10^6\]
The first number, the number before 10 to the power of whatever, has to be greater than or equal to 1 and less than 10.
The exponent will be however many digits are needed to have the same digits as the original number