15717263528043003499961388992703.jpg - Reporting Scientific Numbers 45 872 certain"estimates First 4 digits are certain last digit is estimated greater

15717263528043003499961388992703.jpg - Reporting Scientific...

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Unformatted text preview: Reporting Scientific Numbers 45. 872 certain "estimates . First 4 digits are certain . last digit is estimated . greater percision more significant figures Estimating Tenths of a Gram . Every 1g . estimate to tenths place . mentally divide the space into 10 equal spaces and estimate the last digit . All newswed quantities depend on the instrument with which they were rewired. . Measurement - A muber and a wit . Uncertainty - Each newwing device has a limit - For a ruler, the measurement is limited by the human eye rending the device. Significant Digits / Figures 1. All nonzero digits are significant 2 . When Zeros are present, note this positions 1. between two nonzero members in always significant ( Captured Zeros) 2. Lending Zeros ( in front of nonwere members ) are never significant 3. Trailing Zeros (after nonzero numbers) we only significant when following a decimal...
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