MCQ Class 8 Maths Ganita Prakash Chapter 2 Power Play Advertisement 1. 2¹⁰ = (2⁵)² means: Addition rule Division rule Power of power Zero ruleQuestion 1 of 202. ma × na = (m+n)a (mn)a mⁿa nᵐaQuestion 2 of 203. Value of 2⁵ × 5⁵ = 10⁵ 7⁵ 25⁵ 2¹⁰Question 3 of 204. Division rule: nᵃ ÷ nᵇ = nᵃ⁺ᵇ nᵃ⁻ᵇ nᵇ⁻ᵃ nᵃᵇQuestion 4 of 205. 2⁴ ÷ 2³ = 2¹ 2⁷ 2¹² 2⁰Question 5 of 206. Value of 2⁰ is: 0 1 2 UndefinedQuestion 6 of 207. x⁰ equals: x 1 0 x²Question 7 of 208. 2⁻¹ equals: 2 1/2 −2 0Question 8 of 209. 10⁻³ equals: 1000 1/1000 10 0.01Question 9 of 2010. General rule: n⁻ᵃ = nᵃ 1/nᵃ −nᵃ 0Question 10 of 2011. Number of 2-digit passwords: 10 50 100 1000Question 11 of 2012. Number of 3-digit passwords: 100 1000 10 10000Question 12 of 2013. Number of 5-digit passwords: 10⁴ 10⁵ 10³ 10⁶Question 13 of 2014. 10⁵ equals: 10000 100000 1000 100Question 14 of 2015. Scientific notation form is: x × 10ʸ x + y x ÷ y xʸQuestion 15 of 2016. In scientific notation, coefficient must be: >10 between 1 and 10 <0 integer onlyQuestion 16 of 2017. 5900 in scientific notation is: 59 × 10² 5.9 × 10³ 590 × 10 0.59 × 10⁴Question 17 of 2018. 8,00,000 = 8 × 10⁵ 8 × 10⁶ 8 × 10⁴ 8 × 10³Question 18 of 2019. 561.903 in powers of 10 includes: only positive powers only negative powers both positive and negative noneQuestion 19 of 2020. 10⁻¹ equals: 10 1/10 100 0Question 20 of 20 Loading...
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