All numbers that only have one and itself as factors are prime. Therefore, to tell if a number is prime simply find it's factors. If it has more than two factors than it is not a prime number.
Answer:
1
Step-by-step explanation:
Answer:
0.082
Step-by-step explanation:
Too much work, turn each group into fractions, multiply each by eachother, get 7/85 and convert it to a decimal.
Answer:
C. $5 per bag
Step-by-step explanation:
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Because in a fraction less than 1, the numerator is less than the denominator. When reciprocated, the numerator is greater than the denominator, making the number greater than 1.