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:
c
Step-by-step explanation:
because it has an equal sign
The top-left one because 3ba is the same as 3ab
Answer:
it's d
Step-by-step explanation:
because the answer would be the same on both sides