We multiply 38 by 45 to get 1710. This is already in simplest form, although we can convert it to scientific notation as 1.71*10^3 if you wish.
Answer:
Step-by-step explanation:
Add all of the times spun to get 70. To get 16/70 then divide by 2 to get 8/35.
Cost/(number of cassettes) = $14.50/2 = x/15
Multiply by 15 to solve
15*($14.50/2) = x = $108.75
15 cassettes will cost $108.75.
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Step-by-step explanation: