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Significant Figures and Scientific Notation MCQs for Competitive Exams

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Significant Figures and Scientific Notation MCQs for Competitive Exams

Practice with answers, explanations, and exam-focused revision notes.

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Topic Notes: Significant Figures and Scientific Notation

These notes summarize the key preparation context before you attempt the MCQs. Review the topic focus, then practice the questions below with answers and explanations.

Quick Overview

Significant Figures and Scientific Notation MCQs in Physics are useful for candidates who need targeted practice for CSS, PMS, FPSC, PPSC, NTS, entry tests, and other competitive exams in Pakistan. This topic page is designed for quick revision, repeated practice, and exam-focused preparation.

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1
The length, breadth and thickness of a block are given by l = 12 cm, b = 8 cm, t = 2.45 cm. What is the volume of the block according to the idea of significant figures?
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2
Significant figures in 1.0011000 are:
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3
If the volume of a tablet is 1.76 cm³, the volume of 25 such tablets is
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4
The digit 0.007310 has ____ significant figures.
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5
If the sides of a rectangle are 6.01 m and 12 m then the area of the rectangle is
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6
The number of significant figures in 0.0160 is
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7
Significant figures in 1.0 × 10^-3 are:
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8
Significant figures in 0.0010 are:
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9
The length and width of a rectangular plate are measured to be 15.3 cm and 12.80 cm, respectively. The area of plate is:
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10
With due regard for significant figures, (12.5)2 =
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