Let's solve the equation step by step.
You have:
\[ 7? \div 75 = 712 \]
To find \(7?\), you can multiply both sides of the equation by 75:
\[ 7? = 712 \times 75 \]
Now, calculate \(712 \times 75\):
\[ 712 \times 75 = 53400 \]
So now we have:
\[ 7? = 53400 \]
To find the digit represented by '?', we can express \(53400\) in the form \(7?\):
This means \(7?\) should represent \(53400\). Hence, the missing digit '?' to form \(53400\) is the digit in the tens place.
We see \(53400\) can be formed as:
\[ 7 = 5\text{ (thousand)} + 3\text{ (hundred)} + 4\text{ (ten)} + 0\text{ (unit)}\]
So we want the missing digit, which is:
\[ 70 \to 7 \text{ (in thousands)} + 0\]
Hence, the digit '?' represents \(0\).
Therefore, the answer is:
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