5x10^5
0.000023 + 0.0000078= 0.0000308
3.8x10^-6
i think
sorry if wrong but i dont know the second one that well
360/0.96 or 510/1.44
360/0.96
0.96/360
.........3.76
_________
96/36000
......288
___________
.........720
.........672
_________
...........580
............576
_________
.................4
___________
510/1.44
............354
____________
144/ 51000
.........432
________
780
720
---------------
600
576
------------------
24
360g at $0.96 is best deal
-4 + -3 = -7 Hope this helps!
I think you might need to be more specific..
$7.35. All you do is multiply the two together
