Question

How many of the teachers between 10000 to 100000 have no digits other than 6,7or8​

Answer 1

Answer:

81

The answer is there are 81 integers between 1e3 to 1e4 that only have the digits 4, 5, & 6.

List them:

m

4444 4445 4446 4454 4455 4456 4464 4465 4466 4544 4545 4546 4554 4555 4556 4564 4565 4566 4644 4645 4646 4654 4655 4656 4664 4665 4666 5444 5445 5446 5454 5455 5456 5464 5465 5466 5544 5545 5546 5554 5555 5556 5564 5565 5566 5644 5645 5646 5654 5655 5656 5664 5665 5666 6444 6445 6446 6454 6455 6456 6464 6465 6466 6544 6545 6546 6554 6555 6556 6564 6565 6566 6644 6645 6646 6654 6655 6656 6664 6665 6666

Step-by-step explanation:

please mark as BRAINIEST

it took so much time to solve please