etermine the number of compounding periods for the following investment.

Principal

Future Value

Interest Rate

Frequency of Conversion

$$$$2878$

$$$$3449$

$7\mathrm{.}9\%$

semi dash annually

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Part $1$

The number of compounding periods is

$$

enter your response here.

$($Round the final answer to two decimal places as needed. Round all intermediate values to six decimal places as$$ needed.$)$