Questions: Round 25.45999 to three significant figures. 25.4 26.0 25.5 25.0

Round 25.45999 to three significant figures. 25.4 26.0 25.5 25.0
Transcript text: Round 25.45999 to three significant figures. 25.4 26.0 25.5 25.0
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Solution

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Solution Steps

To round a number to three significant figures, we need to consider the first three digits of the number and round the last of these digits based on the digit that follows it.

Step 1: Identify the Number to be Rounded

We start with the number \( 25.45999 \).

Step 2: Determine the Significant Figures

We need to round this number to three significant figures. The first three significant figures of \( 25.45999 \) are \( 2 \), \( 5 \), and \( 4 \).

Step 3: Apply Rounding Rules

To round to three significant figures, we look at the fourth digit (which is \( 5 \) in this case). Since \( 5 \geq 5 \), we round the third digit up by 1.

Step 4: Perform the Rounding

Rounding \( 25.45999 \) to three significant figures results in \( 25.46 \).

Final Answer

\(\boxed{25.5}\)

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