eshaambre eshaambre
  • 13-01-2020
  • Mathematics
contestada

Prove the divisibility of the following numbers: 5^5-5^4+5^3 by 7

Respuesta :

MathPhys
MathPhys MathPhys
  • 13-01-2020

Step-by-step explanation:

5⁵ − 5⁴ + 5³

Factor 5³.

5³ (5² − 5 + 1)

5³ (25 − 5 + 1)

5³ (21)

21 is a multiple of 7, so 5⁵ − 5⁴ + 5³ is a multiple of 7.

Answer Link

Otras preguntas

Find the area of the circle by using the formula. Use 3.14 as an estimate for pie. Then use an estimate to check whether your answer is reasonable.
Based on the passage, the narrator can best described as __________.
External conflicts in Dr jekyll and mr hyde
What Is the minimum of 0,7,3,7,2,4,1
Miguel and three of his friends went to the movies. They originally had a total of $40. Each boy had the same amount of money and spend $7.50 on a ticket. How m
X^3+7x^2-5x-35 factor completely
How did Menachem Begin contribute to the peace process in the Middle East? He compromised with Egypt. He provided economic aid to Egypt. He withdrew Israeli tr
How high is mt. Everest
4. What was the purpose of the march from Bogalusa to Baton Rouge?
The sky was like a deep blue ocean above the sand? simile metaphor allusion personification