171k views
2 votes
A few numbers of 10's are multiplied and subtracted 1 from the product . The sum of the digits of the resulting number is 72. How many 10's were multiplied ?

1 Answer

2 votes

Answer:

8 10's were multiplied

Explanation:

10 - 1 = 9

100 - 1 = 99

1,000 - 1 = 999

10^8 - 1 = 100,000,000 - 1 = 99,999,999

9 × 8 = 72

User Raunak Thomas
by
8.4k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories