The solution to the problem expressed 2358.
<h3>What is the meaning of significant figure?</h3>Significant figure It is defined as the minimum number of digit us needed to express a number in scientific notation.
Therefore we get,
First we have to multiply the given digits as per rule.
Now we will add both the digits, we get
As per given expression, we conclude that the number of significant figure is 4.
So, the answer will be, 2358.
Therefore, the correct option is, 2358.
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