Step-by-step explanation:
Sorry to say, but there is no picture...
The answer will be -22x^2-14x. Hope it help!
Once the numbers have the same base and exponents, we can add or subtract their coefficients.Here are the steps to adding or subtracting numbers in scientific notation:Determine the number by which to increase the smaller exponent by so it is to the equal larger exponent
Answer:
1: 374cm
2: 248mm
3: 69m
I believe this is the right answer but I don't think the labels are correct