PLEASE UELP IF YOU CAN DO THESE TWO. YOU WILL RECOVE BRAINLIST

See the answers below.

Step-by-step explanation:

An exponential model is the best representation of the given model.

     (where t is given in minutes)  

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the answer is:

the answer is:

to solve the problem, we need to remember the quotient of power property, it's defined by the following relation:

if we have a quotienf of powers that have the same base, we need to keep the same base and subtract the exponent of the denominator power to the exponent of the numerator power.

so, we are given the expression:

then, calculating we have:

hence, the answer is:

have a nice day!

27 +27 or 27times 2=54

the diffrence is 0