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3. You cooked some yummy ramen noodles in the microwave at lunch, but lost the directions for how long to wait before it's safe to eat! You know the room temperature is 75F and the noodles are 205OF when they're finished cooking. If you know the constant k of the noodles is 0.6561, how long will it take for the noodles to reach 110F? (t is measured in minutes.) For 4 -6, use the following formulas: Compounding Interest Compounding Interest % increase/decrease (continuous compounding) (periodic compounding) per unit of time A(t) = Pert A (t ) = P ( 1 + * ) f (x) = abx 4. You deposit 5 cents ($0.05) 5. You deposit $1000 in an 6. Mr. Brust's Ranch in into an account that pays account that pays 5% annual Wyoming is worth $450,000 12% interest compounded interest compounded and is increasing in value by continuously. How long will quarterly. How long will it 2.7% per year. How long it take that nickel becomes take for the balance to reach until it is worth $1 million? $100? $50,000? 7. Your mom asked you to turn the iron off after ironing one of your shirts. When you turn it off, the iron is 190 F and the room temperature is 64.F. After waiting 60 seconds, you find the temperature of the iron has cooled down to 150 F. How long will it take for the iron to cool down to 90F