line them up above eachother
645
577
5+7=12
40+70=110
600+500=1100
add them up and you have 1222
645 - 577 = 68
645 + 50 = 695
137 + 645 = 782.
There are 100 centimetres in one metre. Therefore, 645 centimetres is equal to 645/100 = 6.45 metres.
1070
645
428 + 217 = 645
Six and forty-five hundredths or 645%
43 x 15 = 645
no, because range is the difference of the highest limit and lowest limit,therefore 665-655 is equal to 10 and not 645..........
0.0233
64.5 percent is equal to 0.645 in decimal form or 645 parts per thousand in fractional form.