Simplify and write in exponential form with negative exponent: (i) 2 −1 ( 5 3 ) 4 + ( 3 5 ) −2 ÷ 17 9 (ii) (−7) 3 × ( 1 −7 ) −9 ÷ (−7) 10 plzz answer plzz plzz plzz plzz plzz
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Answered by
3
Answer:
(i):- 2-1(53)4+(35)-2÷179
= 1 × 212-70÷179
= 212 -70 ÷ 179
= 142÷179
= 0.793296089 ans.
(ii):- (-7)3×(1-7)-9÷(-7)10
= -21 × (-6)-9 ÷ -70
= -21× 54 ÷ -70
= -1134 ÷ -70
= 16.2 ans.
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Answered by
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➡️✨✨(i):- 2-1(53)4+(35)-2÷179
= 1 × 212-70÷179
= 212 -70 ÷ 179
= 142÷179
= 0.793296089 ans.✨✨
➡️✨✨(ii):- (-7)3×(1-7)-9÷(-7)10
= -21 × (-6)-9 ÷ -70
= -21× 54 ÷ -70
= -1134 ÷ -70
= 16.2 ans.✨✨
✔️✔️
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