Answer:
15.4
Explanation:
Round: 17.98 to 18 and 2.596 to 2.6
Do the math: 18-2.6=15.4
Conclusion: We rounded the numbers (17.98 to 18 and 2.596 to 2.6). Then we did the subtraction and got our answer.
Therefore, your answer is 15.4.
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