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April 2, 2015

April 2, 2015

Posted by **sara** on Monday, February 25, 2013 at 12:05am.

Round your answers to one decimal place.

(a) LEFT ˇÖ years

(b) MID ˇÖ hours

(c) SIMP ˇÖ minutes

- calc 2 -
**J**, Saturday, May 17, 2014 at 1:18am(a) LEFT

For left hand or right hand rule, every extra digit requires 10 times of work. 4 digit needs 2 second. From 4 to 12, it has 8 digits. 2 * 10^(8) seconds / 60 /60 /24 /365 = 6.3 years

(b) MID

For midpoint rule, every 2 digit requires 10 times of work.

2 * 10^(8/2) /60 /60 = 5.6 hours

(c) SIMP

Each 4 digits requires 10 times of work.

2 * 10^(8/4) /60 = 3.3 mins.

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