rollerhockeystu2836 rollerhockeystu2836

14-09-2020
Mathematics

contestada

Which of these numbers is composite? Choose 1 answer: Choose 1 answer: (Choice A) A 555 (Choice B) B 313131 (Choice C) C 434343 (Choice D) D 454545 (Choice E) E 535353

Respuesta :

sqdancefan sqdancefan

14-09-2020

Answer:

D) 45

Step-by-step explanation:

5, 31, 43, 53 are prime, which you would know if you know your multiplication tables. 45 = 5·9 is composite

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alredelizabeth alredelizabeth

09-03-2021

Answer:

b

Step-by-step explanation:

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