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A scientist is observing a sample of a radioactive substance. The table below shows the amount of the radioactive substance remaining (in milligrams) with respect to time (in hours).

| Time (hours) | 1 | 2 | 3 | 4 | 5 |
|--------------|----|----|----|----|----|
| Amount Remaining (milligrams) | 288 | 144 | 72 | 36 | 18 |

The independent variable in the relationship is the __________ and should be placed on the __________.

The dependent variable in the relationship is the __________ and should be placed on the __________.

Sagot :

GinnyAnswer
To determine where each variable should be placed in a graph representing the relationship between the time and the amount of remaining radioactive substance, let's start by identifying the types of variables we have:

1. Independent Variable: This is the variable that stands alone and isn't changed by the other variables we are trying to measure. In this case, the "Time (hours)" is our independent variable because time progresses regardless of the amount of substance remaining. Therefore:
- The independent variable in the relationship is the Time (hours).

2. Dependent Variable: This is the variable that depends on the independent variable. In this case, the "Amount Remaining (milligrams)" is our dependent variable because it changes based on the passage of time. Therefore:
- The dependent variable in the relationship is the Amount Remaining (milligrams).

Now, let's identify where each variable should be placed in a graph:

- The independent variable is typically placed on the x-axis.
- The dependent variable is typically placed on the y-axis.

So, to fill in the blanks correctly, we have:

The independent variable in the relationship is the Time (hours) and should be placed on the x-axis. The dependent variable in the relationship is the Amount Remaining (milligrams) and should be placed on the y-axis.
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