Question

plss helpppppp math​

Answer 1

Answer:

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Answer 2

Answer:

2. (2) 18

3. (1) 2013

4. (2) 1

Reasons:

2. number of factors = (a+1)(b+1)    where   $x^{a}$ × $y^{b}$

3. All the numbers less than that number and greater than 0.

4. To check divisibility by 3. We add all the digits then divide by 3.

2 + 1 + y + 8 = 11 + y . If we add 1 instead of y then the number will be divisible by 3

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