40 tens = 40
40
40
40
40 of them.
40
40/10 = 4
40 tens
Four tens = 4 x 10 = 40
40 times 20 equals 800 How did you get the 40? Multiply 4 by ten because it is 4 tens and you get 40. You do the same with 2 tens. Multiply. 40 x20 40 x 0 = 00 then you do put down two zeros. Then you do 40 x 2 and add a 0 to 2 because it is in the place value of tens. So, 40 x 20 = 800. Add 00 and 800 and you get 800. Simple!
40
36 to the nearest tens is 40