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The digits 1,2,3,4,5,6 and 7 are used to form a password for a computer program. No digit may be repeated. How many five digit passwords can you create if they must begin with an even number? (3 marks)

The digits 1,2,3,4,5,6 and 7 are used to form a password for a computer program. No digit may be repeated. How many five digit passwords can you create if they must begin with an even number? (3 marks)

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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I need 2 question step by step
b) How many different signals can you send using 1, 2, or 3 flags if the same colour many only be used once. (3 marks) (2) The digits 1,2,3,4,5,6 and 7 are used to form a password for a computer program. No digit may be repeated. How many five digit passwords can you create if they must begin with an even number? (3 marks) (3) How many permutations are there of the letters of the word "RETIREMENT"? (2 marks) Sofahon RETREMENT" 3くミ×チ×6×5×4×3×2×1 2x2 x2 A, AG A - 45 360
Transcribed Image Text:b) How many different signals can you send using 1, 2, or 3 flags if the same colour many only be used once. (3 marks) (2) The digits 1,2,3,4,5,6 and 7 are used to form a password for a computer program. No digit may be repeated. How many five digit passwords can you create if they must begin with an even number? (3 marks) (3) How many permutations are there of the letters of the word "RETIREMENT"? (2 marks) Sofahon RETREMENT" 3くミ×チ×6×5×4×3×2×1 2x2 x2 A, AG A - 45 360
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