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Evaluate 24.36+0.0623+256.2...

Evaluate 24.36+0.0623+256.2

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24.36
0.0623
256.2
Now the first column where a doubtful digit occurs is the one just next to the decimal point (256.2). All digts right to this column must be dropped after proper rounding. The table is rewitten and added below
24.4
0.1
256.2
280.7
THe sum is 280.7
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HC VERMA-PHYSICS AND MATHEMATICS-Exercises
  1. Evaluate 24.36+0.0623+256.2

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  2. A vector vecA makes an angle of 20^@ and vecB makes an angle of vec11...

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  3. Let vecA and vecB be the two vectors of magnitude 10 unit each. If the...

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  4. Add vectors vecA,vecB and vecC each having magnitude of 100 unit and i...

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  5. Let veca=4veci+3vecj and vecb=3veci+4vecj. a.Find the magnitudes of a....

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  6. Refer to figure Find a the magnitude, b x and y components and c. the ...

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  7. Two vectors have magnitudes 3 unit and 4 unit respectively. What shoul...

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  8. A spy report about a suspected car reads as follows. The car moved 2.0...

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  9. A carrom board 4ftxx4ft square) has the queen at the centre. The queen...

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  10. A mosquito net over a 7ftxx4ft bed is 3 ft high. The net hs a hole at ...

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  11. Suppose veca is a vector of magnitude 4.5 unit due north. What is the ...

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  12. Two vectors have magnitudes 2 m and 3m. The angle between them is 60^0...

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  13. Let A1 A2 A3 A4 A5 A6 A1 be a regular hexagon. Write the x-components ...

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  14. Let veca=2veci+3vecj+4veck and vecb=3veci+4vecj+5veck. Find the angle ...

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  15. Prove that vecA.(vecAxxvecB)=0

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  16. If vecA=2veci+3vecj+4veck and vecB=4veci+3vecj+2veck, find vecAxxvecB.

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  17. If vecA,vecB,vecC are mutually perpendicular show that vecCxx(vecAxxve...

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  18. A particle moves on a given straight line with a constant speed v. At ...

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  19. The force on as charged particle due to electric and magnetic fields i...

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  20. Give an example for which vecA.vecB=vecC.vecB but vecA!=vecC.

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  21. A curve is represented by y=sinx. If x is changed from pi/3 to pi/3+pi...

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