Topic Test Answers

Which list is in order from least to greatest?

Craig is training for a race. He bikes every 2 days and swims every 3 days. If he biked and swam today, how many days will pass before he bikes and swims on the same day again, the least common multiple of the numbers of days?Multiples of 2: 2, 4, 6, 8, 10, 12, . . .Multiples of 3: 3, 6, 9, 12, 15, 18, . . .

What is the greatest common factor of 20 and 36?

The prime factorizations of 16 and 24 are shown below.Prime factorization of 16: 2, 2, 2, 2Prime factorization of 24: 2, 2, 2, 3Using the prime factorizations, what is the greatest common factor of 16 and 24?

The table shows a pattern of exponents.Powers of 5Value1252551What is the pattern as the exponents decrease?