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Author Question: A computer password is made up of four characters. Each character can be a capital letter (A through ... (Read 34 times)

tatyanajohnson

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on: May 5, 2020

Question 1

A computer password is made up of four characters. Each character can be a capital letter (A through Z), a lowercase letter (a through z) or a digit (0 through 9).

How many passwords start with a lowercase letter?
◦ 26 × 364
◦ 26 × 363
◦ 363
◦ 26 × 623
◦ none of these

Question 2

A computer password is made up of four characters. Each character can be a capital letter (A through Z), a lowercase letter (a through z) or a digit (0 through 9).

How many passwords consist entirely of letters?
◦ 52 × 51 ×50 × 49
◦ 52 × 4
◦ 452
◦ 524
◦ none of these
Excursions in Modern Mathematics ¦ Tannenbaum ¦ 9th Edition
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Marked as best answer by tatyanajohnson on May 5, 2020

rachel

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Reply #1 on: May 5, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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tatyanajohnson

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Reply 2 on: May 5, 2020
Great answer, keep it coming :)

amit

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Reply 3 on: Yesterday
Wow, this really help

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