Yes
6.4 x 10^15 = 6,400,000,000,000,000 (6.4 quadrillion).
4.5 x 108 = 450,000,000
n to the power of 9
1.357 x10-3 in standard notation is: 0.001357
(x4 * x10)/(x7)x14/x714 - 7 = 7= x7===
3 x10 30 x10
0.000000001
1.8e-7 or 1.8 x10^-7
2.058911321...x10^14
350000
570,000,000
237 = 3,404,825,447 ============
It is: 1.00448442 x10^7
0.00604
29000000
723 = 27,368,747,340,080,914,000