olymmath

AMC 8 1994 Problem 25

  • Paper

Find the sum of the digits in the answer to 9999⋯99⏟94 nines×4444⋯44⏟94 fours\underbrace{9999\cdots 99}_{94\text{ nines}} \times \underbrace{4444\cdots 44}_{94\text{ fours}} where a string of 9494 nines is multiplied by a string of 9494 fours. (A) 846(B) 855(C) 945(D) 954(E) 1072\text{(A)}\ 846 \text{(B)}\ 855 \text{(C)}\ 945 \text{(D)}\ 954 \text{(E)}\ 1072

Dataset text NuminaMath-1.5. Quoted with source.

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846

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