Can someone please help me asap!!??

 (second option in your list)

Step-by-step explanation:

Notice that every base with negative exponent can be written with positive exponent on the opposite side of the fraction line, therefore:

The a to the exponent "-4" in the denominator can be written as a to the exponent 4 in the numerator, thus giving two bases a in the numerator, one with exponent 3 and another one with exponent 4 which combined with the rule of product of numbers with same base, leads to the addition ofthe exponents:  a to the power 7 in the numerator.

We do something similar with the base b (which in the numerator appears with a "-1" in the exponent), we write it in the denominator with exponent "+1".

Therefore we end up with the following:

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answer: a. 13/44

step-by-step explanation: judging by the information given to us, we are looking for experimental probability. we can see that 13 males have chosen chocolate ice cream. there are 44 ice creams in total (remember that the total is always the denominator). so our answer is 13/44.