Answer:
-11x
Step-by-step explanation:
-7x + (-3x) + (-x)
= -7x - 3x - x
=-11x
The value of x would be 8
Answer:
like terms: (3n,-n),(7,-3)
Step-by-step explanation:
Answer:
answer is A
Step-by-step explanation:
Answer:

Step-by-step explanation:
To find the number in scientific notation you want to find how many times you have to move the decimal to get the decimal to be right after the first non-zero number. If you move to the left the exponent is positive and if you move it to the right the exponent is negative. The answer would be
.