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Pulsified333
 one year ago
Assume that you select digits from the set {2,3,5,6,7,8} to form a number between 20 and 800.
(1) How many such numbers can be formed if digits are not repeated?
(2) How many such numbers can be formed if digits can be repeated?
Pulsified333
 one year ago
Assume that you select digits from the set {2,3,5,6,7,8} to form a number between 20 and 800. (1) How many such numbers can be formed if digits are not repeated? (2) How many such numbers can be formed if digits can be repeated?

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dan815
 one year ago
Best ResponseYou've already chosen the best response.1all 2 digit numbers are above 20 so u are good there then all 3 digit numbers that dont start with 8 are below 800

dan815
 one year ago
Best ResponseYou've already chosen the best response.1no repeition 2 digit numbers 6*5 3 digit numbers with out 8 in beginning 5*5*4

dan815
 one year ago
Best ResponseYou've already chosen the best response.1with repetition alloved 2 digit numbers 6*6 3 digit numbers 5*6*6

Pulsified333
 one year ago
Best ResponseYou've already chosen the best response.0oh that makes sense now :D. I got it right . By the way what you said helped on the other problem because I got it right. :D

Pulsified333
 one year ago
Best ResponseYou've already chosen the best response.0it was the base 8 one

Pulsified333
 one year ago
Best ResponseYou've already chosen the best response.0the answer was 53602

dan815
 one year ago
Best ResponseYou've already chosen the best response.1u understand bases now?

dan815
 one year ago
Best ResponseYou've already chosen the best response.1i cann check for u wait

Pulsified333
 one year ago
Best ResponseYou've already chosen the best response.0yeah I think I do

dan815
 one year ago
Best ResponseYou've already chosen the best response.1sry i went off writing a program hehe
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