computer detects between the emitted click and the return of the echo?

speaker cond. The $t$ in front of as emitted computer

$141$ point

What is the speed of sound in $\frac{m}{s}$ when the temperature is $62F?$

This is an EXACT ANSWER question: round your answer to $1$ decimal place.

$151$ point

Suppose that we are again measuring an object $1\mathrm{.}5m$ from the detector, but now the temperature is $62F.$ What is the time delay in seconds that the computer detects between the emitted click and the return of the echo?

This is an EXACT ANSWER question: round your answer to $6$ decimal places.

$16$

$1$ point

If the computer measures the time delay in the previous question, but calculates the distance using the speed of sound at standard room temperature $($because it doesn't know the temperature$),$ what is the distance in meters that the computer