The last option: In his recursive formula, he should have the term an−1 instead of −4 to get an=an−1−3.
Step-by-step explanation:
Three hundred and twenty nine trillion four hundred and fourty four billion seven hundred and seventy seven thousand two hundred and thrity four
Answer:
The records cost $5 and the tapes cost $7
Step-by-step explanation:
Answer:

ans done
please mark me as brainliest