Answered step by step
Verified Expert Solution
Question
1 Approved Answer
How many 4-digit numbers can be made by using digits 1 to 7 (repetition is not allowed), if the digit 4 will always be there
How many 4-digit numbers can be made by using digits 1 to 7 (repetition is not allowed), if the digit 4 will always be there in the number?a) 272b) 480c) 289d) 270
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started