Answer:
i think its B
Step-by-step explanation:
Answer:
350
Step-by-step explanation:
Let the number of adult tickets be x, then the number of student tickets sold would be (x–54).
We now have
x+(x–54)=646
2x=700
x=350
Therefore, 350 adult tickets were sold.
Answer:
2
Step-by-step explanation:
5(2)+2=12
(2)+4=6
5x+2 is twice the length of x+4. Therefore the answer is 2
Answer:
Simplify the problems first
Step-by-step explanation:
Before you can convert it to scientific notation, you should simplify it first.
#1 for example:

Use PEMDAS to solve the equation:

So, now we have a super big number. To write it in scientific notation, put a decimal place in the number before the zeroes start. It would be
since there are 11 places after the decimal.