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Here is the List of chapters of class 7 Math’s Express Book. just click on the links to download the free PDFs. Chapter 1: Integers Chapter 2: Fractions Chapter 3: Decimals Chapter 4: Rational Numbers Chapter 5: Powers and Exponents Chapter 6: Algebraic Expression Chapter 7: Linear Equations Chapter 8:…
List of all the Class 8 Maths Chapters Link Useful links: CBSE CLASS 6 SOCIAL SCIENCE CBSE CLASS 6 SCIENCE CBSE CLASS 7 SOCIAL STUDIES CBSE CLASS 7 MATHS CBSE CLASS 8 MATHS CBSE CLASS 8 SCIENCE
Chapter 12: Powers and Exponents Ex 12.1 1. Evaluate i) 3-2 ii) (-4)-2 iii) (1/2) ⁻⁵ 2. Simplify and express the result in power notation with a positive exponent i) (-4)5 ÷ (-4)8 ii) (1/23)2 iii) (-3)4 × (5/3)4 iv) (3-7 ÷ 3-10) × 3-5 v) 2-3 × (-7)-3 3. Find the value of i)…