SCIENCE
PHYSICAL SCIENCES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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How many sig figs are there?4004
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1
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2
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3
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4
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Explanation:
Detailed explanation-1: -The number 450 has two significant figures and would be written in scientific notation as 4.5 × 102, whereas 450.0 has four significant figures and would be written as 4.500 × 102.
Detailed explanation-2: -Explanation: 4×10−23 is one significant figure. 4.0×10−23 is two significant figures since it contains a trailing zero in a number that has a decimal point. Source: Screenshot from my teaching notes.
Detailed explanation-3: -two significant figures. Thus the number of significant figures in
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