Math  /  Numbers & Operations

Question24. Select the correct quotient. 2.21÷0.342.21 \div 0.34 5.5 6.5 06.5 006.5

Studdy Solution

STEP 1

What is this asking? We need to divide 2.212.21 by 0.340.34 and pick the right answer from the choices. Watch out! Don't forget about those decimal places!
They can be tricky.

STEP 2

1. Prep the division
2. Perform the division
3. Select the answer

STEP 3

Let's **set up** our division problem!
We have 2.21÷0.342.21 \div 0.34.
Remember, we want to make the **divisor** (0.340.34) a whole number.

STEP 4

To do that, we'll multiply *both* the **dividend** (2.212.21) and the **divisor** (0.340.34) by **100**.
Why 100?
Because moving the decimal two places to the right in 0.340.34 turns it into 3434, which is a whole number!
This gives us 221÷34221 \div 34.
Remember, multiplying both numbers by the same value doesn't change the result of the division!

STEP 5

Now, let's **divide** 221221 by 3434.
How many times does 3434 go into 221221?
Let's try 346=20434 \cdot 6 = 204.
That's pretty close!

STEP 6

Subtract 204204 from 221221: 221204=17221 - 204 = 17.
So, we have a remainder of 1717.

STEP 7

Since 1717 is smaller than 3434, we add a decimal point and a zero to the **dividend**, making it 170170.
Now, how many times does 3434 go into 170170?
Let's try 345=17034 \cdot 5 = 170.
Perfect!

STEP 8

So, 221÷34=6.5221 \div 34 = 6.5.
Remember, we multiplied both the **dividend** and the **divisor** by **100** at the beginning, but that doesn't change the final answer!

STEP 9

We got 6.56.5, which matches one of the answer choices!

STEP 10

The correct quotient is 6.56.5.

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