Grade: VIII Chapter 10: Exponents and Powers worksheet 1

Описание к видео Grade: VIII Chapter 10: Exponents and Powers worksheet 1

Grade: VIII
Chapter 10: Exponents and Powers
Q1. Express 9-3 as a power with base 3.
Q2. By what number should 25 be divided to get ? 2
Q3. Find the value of m for which 9m÷3-2-94.
Q4. Simplify and write in exponential form with negative exponent:
-2-3 [)]
Q5. Simplify:
49xz-3 7-3 x10xz-5 (z≠0)
Q6. If 3" 729, then n=
Q7. Standard form of 0.000182 =
Q8. Mass of Mars is 6.42 ×1029 kg and the mass of sun is 1.99 x1030 kg. What is the total mass?

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