How to calculate 102x0.35 simply?

How to calculate 102x0.35 simply?


102x0.35=(100+2)x0.35=100x0.35+2x0.35=35+0.7=35.7



Simple calculation of 98 + 35 * 35


35+35*98+35
=35(1+98+1)
=35*100
=3500



How to calculate the simple operation of 98 * 35?


(100-2)X35
=100X35-2X35
=3500-70
=3430