how can thinking about 90 tens help you with 1901-297?

Question

the last posted answer was no correct...it came home marked WRONG...please help!!??

Answer 1

What was the correct answer?

This reminds me of The Music Man.

Answer 2

Are you sure you copied the problem correctly? Is it possibly 901 (not 1901)?

Answer 3

it says 1901-297

and there's another one...
how could thinking about 200 tens help you find 2004-1559?

i'm totally stumped...thanks for your help!

Answer 4

Your second question makes more sense.

200 tens is 2,000.

200 tens minus 150 tens = 50 tens = 500

Answer 5

It said explain why seven times eight is not a nuber sentence.

Answer 6

31*19=

Answer 7

589

Answer 8

i am a two digit number .my tens digit is 4 more then my ones digit .if you multipil me by 5, the estimate product is 300 .what am i

Answer 9

62

Answer 10

800