0. Each time you're adding 0.75, so adding

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It is 512 because you have to multiple 64x8=512 you should have figure that out and add 512+2=514 do you get it now ?
Answer:
40 different arrangements of songs
Step-by-step explanation:
Answer:
4*10^18
Step-by-step explanation:
Easier to think of it as the factors out front (8 / 2) = 4
and subtract the exponents 30 - 12 = 18
= 4*10 ^18