name each number in two different ways 90,000,000

Question

40,000

Answer 1

Ninety million or 9*10^8 (nine times ten to the sevenh power)

forty thousand or 4*10^5 (four times ten to the fourth power)

I hope this helps. Thanks for asking.

Answer 2

900 times 100,000 or 9,000 times 10,000.