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Find the value of 200 xx 439 + 200 xx...

Find the value of
` 200 xx 439 + 200 xx 321` in standard form is

A

`1.52 xx 10 ^(5)`

B

`7.6 xx 10 ^(4) `

C

`1.72 xx 10 ^(5)`

D

`1.36 xx 10 ^(5)`

Text Solution

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The correct Answer is:
A
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BHARDWAJ ACADEMY-NUMBER SYSTEM -CHAPTER EXERCISE
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  2. If we multiply a fraction by itself and divide to product by its recip...

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  3. Find the value of 200 xx 439 + 200 xx 321 in standard form is

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  4. Find the value of 1 ^(3) + 2 ^(3) + 3 ^(3) + ...+ upto 10th terms.

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  5. Find the sum of first 21 odd numbers.

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  6. Find the value of 9 + 10 + 11 + 12 + … + 21.

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  7. If sum of six consecutive odd numbers is 168, then find the largest ...

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  8. Find the sum of all prime numbers less than 20.

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  9. 2x-13,2x-11, 2x-9,2x-7 are consecutive

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  10. (4)/(16) - (1)/(8) = (3)/(8), (6)/(7) - (2)/(9) = (4)/(2) The above ...

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  11. Find out the unit digit in (13)^(2003)

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  12. A rectangle is divided horizontally into two equal parts. The upper p...

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  13. If a ** b = a ^(2) + b ^(2) and a . b = a ^(2) - b ^(2), then the val...

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  14. Find the value of(547527)/(82),if (547.527)/(0.0082)= x.

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  15. Which of the fraction is least ?

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  16. When the number 3^(99) is divided by 4, the remainder is

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  17. Shown here are expressions given to Seema, Anees, Asha and Tessy with...

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  18. If A = (3)/(4)div (5)/(6) , B = 3 div[ ( 4 div 5) div 6], C = [3 div...

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  19. How many times will I be writing 2 if wrote down numbers from 11 to 1...

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  20. The symbol drawn to any size means a + 4 and the symbol dra...

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