Answer:
the number is 7611 not 7.611
Step-by-step explanation:
A comma is placed every third digit to the left of the decimal point and so is used in numbers with four or more digits. Continue to place a comma after every third digit. For example: $1,000,000 (one million dollars)
btw the answer is 3,805.5
Area of shaded proton =42cm²
- 28
Plug in 7 for x
5 + 7 - 5 x 8
5 + 7 - 40
12 - 40
-28