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What will come in place of question mark...

What will come in place of question mark (?) .
`(10)^(0.25) xx (10)^(0.50) xx 10^(0.100)= ?`

A

`10^(20//17)`

B

`10^(17//20)`

C

`10^(5//17)`

D

`10^(33)`

Text Solution

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The correct Answer is:
To solve the expression \( (10)^{0.25} \times (10)^{0.50} \times (10)^{0.100} \), we can use the property of exponents that states when multiplying like bases, we add the exponents. ### Step 1: Write down the expression We start with the expression: \[ (10)^{0.25} \times (10)^{0.50} \times (10)^{0.100} \] ### Step 2: Apply the property of exponents Using the property of exponents: \[ a^m \times a^n = a^{m+n} \] we can combine the exponents: \[ 10^{0.25 + 0.50 + 0.100} \] ### Step 3: Calculate the sum of the exponents Now, we need to add the exponents. First, we convert each exponent to have a common denominator. The denominators are 4, 2, and 10. The least common multiple (LCM) of these numbers is 20. Convert each exponent: - \( 0.25 = \frac{1}{4} = \frac{5}{20} \) - \( 0.50 = \frac{1}{2} = \frac{10}{20} \) - \( 0.100 = \frac{1}{10} = \frac{2}{20} \) Now we can add them: \[ \frac{5}{20} + \frac{10}{20} + \frac{2}{20} = \frac{5 + 10 + 2}{20} = \frac{17}{20} \] ### Step 4: Write the final expression Now we substitute back into the expression: \[ 10^{\frac{17}{20}} \] ### Conclusion The value that comes in place of the question mark is: \[ 10^{\frac{17}{20}} \]
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UPKAR PUBLICATION -PRACTICE SET-2-PART-III Quantitative Aptitude
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