Answer:
7x+3=2x-6 #4
Step-by-step explanation:
Answer: There are 6046 digits will be written on expansion upto 2015th power.
Step-by-step explanation:
Since we have given that

We have to find the number of digits ,
So,

Since we know that

so,

Hence, there are 6046 digits will be written on expansion upto 2015th power.
The difference would be subtracting the variables and the dividing the difference by 2
The answer to this question is C I just worked it out on paper using a calculator