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mario62 [17]
3 years ago
13

A scientist obtains the number 1250.37986 on a calculator. If this number actually has four (4) significant figures, how should

it be written?
A)1251
B)1250.3799
C)1250.4
D)1.250 x 10^3
E)1.250 x 10^–3
Chemistry
2 answers:
8090 [49]3 years ago
5 0

Answer:

D

Explanation:

the zero is trailing with a decimal so it counts. A is wrong because you can't round up, C is too many SF and E is wrong because a negative exponent would give you .001250

Dennis_Churaev [7]3 years ago
4 0

Answer: D

Explanation:

Not A: You don’t round up to 1251 because 3 is less than 5

Not B: That’s more than 4 sig figs

Not C: More than 4 sig figs

D: 1.250 has 4 sig figs and 1250 is the correct answer

Not E: negative exponent makes it into decimal which is way off

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