80% of 250000 = 250000*80/100 = 200000
It is 2.0*10^7 in standard form or scientific notation
rate = (20000000 divided by 30000000) multiplied by 100% = 66.67%
13333.3333
200000
20000000
3333333.3333
750000
300
0.0082
0.0022
2% of 1 billion divided by 5000 = 20000000 divided by 5000 = 4000.