QQuestionMathematics
QuestionMathematics
The number 20.35784 rounded to four decimal places is
A. 20.3579
B. 20.3578
C. 20.35
D. 20.36
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Answer
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Step 1:I'll solve this rounding problem step by step, following the specified LaTeX formatting guidelines:
Step 2:: Understand Rounding Rules
When rounding to a specific number of decimal places, we look at the digit immediately to the right of the desired decimal place. If this digit is 5 or greater, we round up. If it's less than 5, we round down.
Step 3:: Identify the Fourth Decimal Place
In the number $$20.35784$$, the fourth decimal place is $$8$$.
Step 4:: Examine the Fifth Decimal Place
The fifth decimal place is $$4$$.
Since 4 is less than 5, we round down.
Step 5:: Round the Number
Rounding $$20.35784$$ to four decimal places gives $$20.3578$$.
Step 6:: Check the Given Options
Comparing our result to the options, we see that $$20.3578$$ corresponds to option B.
Final Answer
B. 20.3578
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