In this sequence, n can only be a natural number. So, if you plug in 5 for n, then you get 19. Also, if you plug in 6 for n, you get 24. Since no natural number can be replaced with n to get 21, it isn’t a term in the sequence
2|1 0 0 +2
| 2 4 +8
----------------
1 2 4 |10
x³+2=(x-2)×(x²+2x+4)+10
Answer:
29
Step-by-step explanation:
217.5÷7.50=29
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