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Let's go through the problems one by one.

**6) 450 meters / 114 seconds =**

This is a simple division problem where we are asked to divide the distance by the time to find the speed.

\[
\frac{450 \, \text{meters}}{114 \, \text{seconds}} = 3.947 \, \text{m/s}
\]

So, the answer is **approximately 3.95 m/s**.

---

**7) 298.01 kilograms + 34.112 kilograms =**

This is an addition of two mass quantities.

\[
298.01 \, \text{kg} + 34.112 \, \text{kg} = 332.122 \, \text{kg}
\]

So, the total mass is **332.122 kilograms**.

---

**8) 84 m/s × 31.221 s =**

This involves multiplying speed (in meters per second) by time (in seconds), which will give us the distance traveled.

\[
84 \, \text{m/s} \times 31.221 \, \text{s} = 2622.564 \, \text{meters}
\]

So, the distance is **2622.564 meters**.

---

Would you like further details on any of the problems or explanations?

Here are five related questions to explore these concepts further:

1. What is the physical interpretation of dividing distance by time?
2. How would you calculate the average speed over a journey with varying speeds?
3. How can you convert kilograms into grams, and how would that affect the second problem?
4. What formula is used to calculate the distance traveled if the speed varies?
5. How can you calculate the time taken if the speed and distance are known?

**Tip**: When performing operations with units, always keep track of units to ensure the correct physical interpretation of the result.

6) 450 meters / 114 seconds = 7) 298.01 kilograms + 34.112 kilograms = 8) 84 m/s × 31.221 s =

This page covers the calculation of speed from distance and time, the addition of masses, and distance traveled given speed and time. Problems include 450 meters divided by 114 seconds, 298.01 kilograms plus 34.112 kilograms, and 84 m/s multiplied by 31.221 seconds.

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