You initially invest s300 in a savings account that pays a yearly interest rate of 3%. (a) Write a formula for an exponential function giving the balance in your account as a function of the time since your initial investment. (Let B be the account balance in dollars and t be the number of years since the initial investment.) B(t) = dollars (b) What monthly interest rate best represents this account? Round your answer to three decimal places. (c) Calculate the decade growth factor. (Round your answer to two decimal places.) (d) Use the formula you found part (a) to determine how long it will take for the account to reach $402. (Round your answer to the nearest whole number.) yr Explain how this is consistent with your answer to part (c). At the end of one decade, there will be $ . This --Select-- v the answer found above where the account reaches $402 at the end of years.

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Unitary Method

The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products. 

Speed, Time, and Distance

Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.

Profit and Loss

The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.

Units and Measurements

Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.