Question 1
A student divides mL of liquid equally into 6 test tubes. How much liquid is in each test tube?No clue? Show me the answer
Correct answer
Correct!
IncorrectStep-by-step walkthrough
Choose a solution method
Method #1Direct ApproachStep 1: Identify the operation
We need to divide . Set up long division with the decimal point in the answer directly above the decimal point in .
Step 2: Divide the whole-number part
remainder . Write above the in .
Step 3: Bring down the next digit
Bring down the after the decimal point. We now have . remainder .
Step 4: Write the answer
The remainder is , so the division terminates.
Method #2Process of EliminationStep 1: Identify what is being asked
We need . The answer should be smaller than since we are dividing by a number greater than 1.
Step 2: Eliminate $24$ mL
mL is larger than the total mL. Dividing always gives a smaller result when dividing by a number greater than 1, so this is impossible.
Step 3: Eliminate $0.24$ mL
Check: , not . The decimal point is in the wrong place, so this is incorrect.
Step 4: Eliminate $2.04$ mL
Check: . This is also incorrect.
Step 5: Select the correct answer
Check: ✓. The answer is mL.
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