How do you write 151072830 in expanded form?

Answer 1

1. 151,072,830 = (1 x 108) + (5 x 107) + (1 x 106) + (0 x 105) + (7 x 104) + (2 x 103) + (8 x 102) + (3 x 101) + (0 x 100)
2. One hundred fifty-one million, seventy-two thousand, eight hundred thirty.