Question

3. Write all the multiples of 11 up to 100.
4. Find the factors of 20 using the activity method.​

Answer 1

Step-by-step explanation:

3.11,22,33,44,55,66,77,88,99.

4.20 = 1 x 20, 2 x 10, or 4 x 5. Factors of 20: 1, 2, 4, 5, 10, 20. Prime factorization: 20 = 2 x 2 x 5, which can also be written 20 = 2² x 5. When 20 is a clue in the FIND THE FACTORS puzzles, use either 4 x 5 or 2 x 10.

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