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5^(3)×5^(3)

8^(9)×8^(5)=8^(14)

2^(11)×2^(-2)2^((116(-2))

3^(-1)+-3^(-8)=3^(-9)

5^(3)+5^(3)=5^(0)=1

8^(9)÷8^(5)=8^(4)

2^(11)÷2^(-2)=2^(813)

3^(-1)÷3^(-8)=3^(7)

11) 53×53 5^{3} \times 5^{3} \newline22) 89×85=814 8^{9} \times 8^{5}=8^{14} \newline33) 211×222(116(2) 2^{11} \times 2^{-2} 2^{(116(-2)} \newline44) 31±38=39 3^{-1} \pm 3^{-8}=3^{-9} \newline55) 53+53=50=1 5^{3}+5^{3}=5^{0}=1 \newline66) 89÷85=84 8^{9} \div 8^{5}=8^{4} \newline77) 211÷22=2813 2^{11} \div 2^{-2}=2^{813} \newline88) 31÷38=37 3^{-1} \div 3^{-8}=3^{7}

Full solution

Q. 11) 53×53 5^{3} \times 5^{3} \newline22) 89×85=814 8^{9} \times 8^{5}=8^{14} \newline33) 211×222(116(2) 2^{11} \times 2^{-2} 2^{(116(-2)} \newline44) 31±38=39 3^{-1} \pm 3^{-8}=3^{-9} \newline55) 53+53=50=1 5^{3}+5^{3}=5^{0}=1 \newline66) 89÷85=84 8^{9} \div 8^{5}=8^{4} \newline77) 211÷22=2813 2^{11} \div 2^{-2}=2^{813} \newline88) 31÷38=37 3^{-1} \div 3^{-8}=3^{7}
  1. Apply Exponent Property: 53×535^{3}\times5^{3}\newlineUsing the property of exponents, am×an=am+na^{m}\times a^{n} = a^{m+n}.\newline53+3=565^{3+3} = 5^{6}
  2. Apply Exponent Property: 89×858^{9}\times8^{5}\newlineUsing the property of exponents, am×an=am+na^{m}\times a^{n} = a^{m+n}.\newline89+5=8148^{9+5} = 8^{14}
  3. Apply Exponent Property: 211×222^{11}\times2^{-2}\newlineUsing the property of exponents, am×an=am+na^{m}\times a^{n} = a^{m+n}.\newline2112=292^{11-2} = 2^{9}
  4. Add Negative Exponents: 31+383^{-1}+-3^{-8}\newlineThis is an addition of exponents, not multiplication, so the bases cannot be combined.\newline31+(38)=131383^{-1} + (-3^{-8}) = \frac{1}{3} - \frac{1}{3^8}
  5. Add Exponents: 53+535^{3}+5^{3}\newlineThis is an addition, not multiplication, so the exponents cannot be added.\newline53+53=2×535^{3} + 5^{3} = 2\times5^{3}
  6. Apply Exponent Property: 89÷858^{9}\div8^{5}\newlineUsing the property of exponents, am÷an=amna^{m}\div a^{n} = a^{m-n}.\newline895=848^{9-5} = 8^{4}
  7. Apply Exponent Property: 211÷222^{11}\div2^{-2}\newlineUsing the property of exponents, am÷an=amna^{m}\div a^{n} = a^{m-n}.\newline211(2)=211+2=2132^{11-(-2)} = 2^{11+2} = 2^{13}

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