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Andreyy89
3 years ago
13

Determine the number of significant in 400

Chemistry
1 answer:
Leya [2.2K]3 years ago
6 0

Answer:

400 or 4x102 indicates only onesignificant figure. (To indicate that the trailing zeros are significant a decimal point must be added. 400. has threesignificant digits and is written as 4.00x102 in scientific notation.) Exact numbers have an infinite number of significant digits but they are generally not reported.

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