Mark can remember only the first 5 digits of his friend's phone number. He also knows that the n

Name: Mark can remember only the first 5 digits of his friend's phone number. He also knows that the number has 7 digits and that the last digit is not a 0. If Mark were to dial all of the possible numbers and if it takes him 16 seconds to try each one, how long would it take to try every possibility?
Uploaded: 2022-04-10T20:35:05-08:00
Duration: 2 min 23 s
Channel: William Semus
Description: Mark can remember only the first 5 digits of his friend's phone number. He also knows that the number has 7 digits and that the last digit is not a 0. If Mark were to dial all of the possible numbers and if it takes him 16 seconds to try each one, how long would it take to try every possibility?

Question

Mark can remember only the first 5 digits of his friend&#x27;s phone number. He also knows that the n

Hemraj Kumawat · Accepted Answer

First, we need to find out how many possible numbers Mark could dial. Since he knows the first 5

Question

Mark can remember only the first 5 digits of his friend's phone number. He also knows that the number has 7 digits and that the last digit is not a 0. If Mark were to dial all of the possible numbers and if it takes him 16 seconds to try each one, how long would it take to try every possibility?

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