Question

What are the biggest and the smallest 7-digit numbers you can make using the digits
3, 5, 7, 1, 2 ? (digits may be repeated)

plz answer fast ​

Answer 1

Answer:

biggest 77777

smallest 11111

Step-by-step explanation:

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Answer 2

Concept

Since we know that the biggest number is find out by analysing the digits. In any given set of numbers, first of all, we try to check if the leftmost digit is bigger and then the next right digit. And similarly after analysing all the digits we can tell which is the biggest number.

Given

The given digits are 3, 5, 7, 1, 2.

Find

We have to calculate the biggest and smallest 7-digits possible number from using the number in the sequence.

Solution

Since we see that the biggest number in the sequence is 7, therefore we take it and place it in left most of the 7-digit biggest number and the one will again be nothing but 7 itself because the numbers are allowed to repeat in the digits.

Hence the biggest number will be 7777777.

Similarly choosing the smallest number in the given sequence to calculate the smallest number, which is 1. Therefore, 1111111 is the smallest number.

Hence the Biggest and smallest 7-digits numbers are 7777777 and 1111111 respectively.

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