Answer: to subtract you need to find the least common denominator and for 4 and 3 that would be 12
15/4 x 3 = 45/12
-4 1/3 = -52/12
45/12 -52/12 = -7/12
-7/12 can’t be simplified any further
therefore
15/4 plus (-4 1/3) = -7/12
Step-by-step explanation:
Your answer would be 
This is because (w^5)^-7 expands to give w^-35 because you multiply the exponents. When you have a negative exponent, this can also be written as a reciprocal, i.e. x^-2 = 1/x². This means that we can write w^-35 as 1/(w^35), which doesn't include any negative exponents.
I hope this helps! Let me know if you have any questions :)
Answer:
the answer is b which is 5 ten dollar bill