how many significant figures are in the number: 1.0 * 10^3 The slides my professor made...
how many significant figures are in the number:
1.0 * 10^3
The slides my professor made say 1, but I believe it is 2.
Homework Answers
Trailing zeros to the right of the decimal ARE significant.
For a number in scientific notation: N x 10x, all digits comprising N are significant by the significant figures rules; "10" and "x" are NOT significant.
1.0 x 103 has TWO significant figures: "1.0." "10 and "4" are not significant.
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how many significant figures are in the number:
1.0 * 10^3
The slides my professor made...
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Understanding this questions... This conversion factor 1kg/10^2g has how many significant figures? I believe the answer is 1 based on numerator but I don't understand why we don't count the denominator Thanks!
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To how many significant figures should each answer be rounded? Equation A: (6.626× 10−34 J⋅s)(2.9979× 108 m/s)4.290×10−7 m=4.630322937063×10−19 J(unrounded) After rounding, the answer to equation A should have *2 significant figures. *1 significant figure. *4 significant figures. *3 significant figures. *5 significant figures. Equation B: (6.022× 1023 atoms/mol)(0.795 g)20.18 g/mol=2.372×1022 atoms(unrounded) After rounding, the answer to equation B should have *1 significant figure. *3 significant figures. *5 significant figures. *2 significant figures. *4 significant figures.
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