How3.14 x 25 equals 78.5 do you work out the problem step by step?

Answer 1

3.14 is pie (usually). You work those question out on the caculator using the pie button because its easier and more accurate. Though you can work it out step by step by using 3.14

its just the same timesing method:

forget about decimal places for now...

314

x 25 5 x 4 = 20 put zero down carry the 2. 5 x 1 = 5 + 2. 5 x 3 = 15 don't

___ need to carry the one just chuck it down. then put the zero down. 2 x 4

1570 = 8. 2 x 1 = 2. 2 x 3 = 6. add it all together. then remember then decimal

6280 places we forgot we need to chuck em back in so what you do is count

____ the amount of decimal places we have in this case 2 the put decimal

7850 place forwards to spaces eg 7850. = 78.50 then you can drop of the 78.50 zero which equals 78.5