which of the following describes the numbers shaded on the hundred chart? choose 1 answer: a the shaded…
which of the following describes the numbers shaded on the hundred chart? choose 1 answer: a the shaded numbers are all prime. b the shaded numbers are all composite. c some shaded numbers are prime and some are composite.
Answer
Explanation:
Step1: Recall prime - number definition
A prime number has only two distinct positive divisors: 1 and itself.
Step2: Check each shaded number
31 has only 1 and 31 as its positive divisors. 43 has only 1 and 43 as its positive divisors. 59 has only 1 and 59 as its positive divisors. 89 has only 1 and 89 as its positive divisors.
Answer:
A. The shaded numbers are all prime.