What is 90 million in standard form?

1 million = 1,000,00090 million = 90,000,000Place your decimal place after the 9 as standard form only has numbers 1-10 as the first number, otherwise it means this number can be divided by or multiplied 10. Move the decimal along until the end of the number and count how many hops you take. (easier to show on whiteboard)9.0,000,000 decimal moves 7 spaces to 90,000,000.Therefore the answer is 9 X 10⁷