The mass of 7 050 moles of natural uranium is 238,02891 x 7 050.
30 percent off of 77 plus 7 percent tax = 57.67
You move the decimal on 0.07 two places to the right like so 007. then you take off the zeros and you have a 7%.
Divide original price by ten, then multiply that answer by 7.
7 - (7 times 0.2)
185.07
5.25
46.5
7
93.00
116.25
5.60