Exact form: -55/18
Decimal form: -3.05 repeating
Mixed form: -3 1/18
Area of the circle outside
= πr2
= π(5)2
=25 π
Area of the bigger circle inside
= π x(3)2
= 9 π
Area of the smaller circle inside
= π x (2)2
= 4 π
Area of shaded region
= 25π - 9π - 4π
= 12π square unit
About three years. Hope it helps!
Answer:
At 0 hours, there are 100 grams of the substance remaining.
Step-by-step explanation: