Chemistry, asked by sanzimetharath2629, 1 year ago

How do you round each number to four significant figures? 0.004384010 cm and 431,801 kg?

Answers

Answered by dasbs999
0

0.00

1384

cm and

431

,

8

00

kg

Explanation:

Start counting significant figures from the first non-zero digit from the left.

0.00

1384010

cm has 7 significant figures.

0.00

1384

cm has 4 significant figures. (the others fall away)

431.801

kg has 6 significant figures. the size of the number is about four hundred thousand. Despite any rounding, it must still be about four hundred thousand

431

,

8

00

kg has 4 significant figures. (the others fall away and are replaced by 0's as place holders.)

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