19,000,000,000,000,000
3 billion 19 in standard form = 3.000000019 × 109The standard notation = 3,000,000,019
1.9 x 109
19,000,276,000
38
It is 19/7170000000.However, it is probably better to use the standard form: 19/(7.17*10^9).
19,000,000,000
It is: 2.1*10^19 in scientific notation
1.9x107
1.6*10-19 = 1.6E-19
5 and 19 thousandths in standard form = 5.019 × 100
1900 190 + 19 -------- 2109
It is: 19000 or 1.9*104 in scientific notation