Zachary adds 26.45 g to 2.55 g. How many significant figures should his answer have?
two
three
four
five

Question

13-10-2014
Mathematics

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Zachary adds 26.45 g to 2.55 g. How many significant figures should his answer have?
two
three
four
five

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Anonymous Anonymous · Answer 1 · 2014-10-14T12:57:47-04:00

26.45 + 2.55 = 29 . . . but with correct sig figs . . . the answer is . . . 29.00 . . . i.e. [4] sig figs

. . . why? . . . because even though 26.45 has [4] sig figs & 2.55 has [3] sig figs, the number of sig figs to the right of the decimal are the critical sig figs . . . and there are [2] sig figs to the right of the decimal, so the answer/result can also beas precise as having [2] sig figs to the right of the decimal as well.

zaynah93 zaynah93 · Answer 2 · 2020-07-23T01:54:10-04:00

zaynah93 zaynah93

23-07-2020

Answer:

C. 4

Step-by-step explanation:

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Zachary adds 26.45 g to 2.55 g. How many significant figures should his answer have?twothreefourfive

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Related Questions

Zachary adds 26.45 g to 2.55 g. How many significant figures should his answer have?
two
three
four
five