Exactly 16
64 ÷ 2 = 32
To determine how many 2s go into 18, you can divide 18 by 2. When you perform the calculation, 18 ÷ 2 equals 9. Therefore, there are nine 2s in 18.
1
26
Exactly 18 of them
To determine how many 2s go into 30, you divide 30 by 2. The calculation is 30 ÷ 2 = 15. Therefore, there are 15 twos in 30.
214 ÷ 2 = 107
96 ÷ 2 = 48
4s2 - 9 can be expressed by using the identity: a2 - b2 = (a-b)(a+b) Therefore, 4s2 - 9 = (2s)2 - 32 = (2s-3)(2s+3)
thirty 60 / 2 = 30
Two will go into forty two twenty one times.
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