Class 9 physics Practice Tests

Class 9 Physics Online Tests

Free *Practice significant digits Multiple Choice Questions (MCQ Quiz) with Answers PDF Download* (Practice Significant Digits MCQ PDF Book) to learn online 9th grade physics certificate courses. Practice Physical Quantities and Measurement Multiple Choice Questions and Answers (MCQs), Practice Significant Digits quiz answers PDF to learn online high school courses. Free learning App: *Practice Significant Digits MCQ* App Download & e-Book for international system of units, prefixes, measuring instruments: physics, basic physics test prep for online education.

The MCQ: *A chips wrapper is 4.5 cm long and 5.9 cm wide. Its area up to significant figures will be*; "Practice Significant Digits" App Download (Free) with answers 30 cm², 28 cm², 26.55 cm² and 32 cm² to learn online high school courses. Solve physical quantities and measurement quiz questions, download Google eBook (Free Sample) for free online classes.

**MCQ 1**: A chips wrapper is 4.5 cm long and 5.9 cm wide. Its area up to significant figures will be

A) 30 cm²

B) 28 cm²

C) 26.55 cm²

D) 32 cm²

c

**MCQ 2**: The significant digits in 3587 are

A) 4

B) 3

C) 2

D) 0

a

**MCQ 3**: The significant digits in 275.00 are

A) 2

B) 3

C) 5

D) 4

c

**MCQ 4**: We can express 0.00380 in scientific notation as

A) 3.80 × 10^{2}

B) 3.80 × 10^{4}

C) 3.80 × 10^{3}

D) 3.80 × 10^{−3}

d

**MCQ 5**: We can express 200.7 in scientific notation as

A) 2.007 × 10³

B) 2.007 × 10²

C) 27 × 10³

D) 200.7 × 10²

b

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