Simplify - -2 5 -7 - - 2 5 9 - - 2 5 2 - and express the results as power of 5

[{( 25)^ 7× ( 25)^9} + ( 25)^2] = {( 52)^7× (25)^9}+ 425 = { (52)^7× (25)^9}+ 425 = {(52)^7 × (25)^9 } + 425 = {(52)^7 × (25)^7 × ...

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Fractional Exponent

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Question

Simplify $[{({\frac{- 2}{5})}^{- 7} \times ({- \frac{2}{5})}^{9}} + (- \frac{2}{5})^{2}]$ and express the results as power of $5$

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Solution

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Similar questions

[{{(\frac{- 2}{5})}^{- 7} \times {(\frac{- 2}{5})}^{9}} \div {(\frac{- 2}{5})}^{2}]

5.

{(\frac{5^{- 1} \times 7^{2}}{5^{2} \times 7^{- 4}})}^{7 / 2} \times {(\frac{5^{2} \times 7^{3}}{5^{3} \times 7^{- 5}})}^{- 5 / 2}

Question 2(v)
Simplify and express the result in power notation with positive exponent:

$2^{- 3} \times (- 7)^{- 3}$

(5-¹×7²÷5²×7-⁴)-7/2 × (5^{-²×7³÷ 5³×7to the power -5) -5/2}

Question 2(iv)
Simplify and express the result in power notation with positive exponent:

$(3^{- 7} \div 3^{- 10}) \times 3^{- 5}$

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