elizabethcross elizabethcross

17-10-2021
Mathematics

contestada

A scientist weighs a beaker at 30.68 grams. He adds 2.3 g of a substance. How many significant figures are there in the answer?

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Hockeygirl6 Hockeygirl6

17-10-2021

Answer: 4 sig figs

Explanation: 30.68g + 2.3g = 32.98g

In 32.98, all four numbers are sig figs.

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moonshub moonshub

17-10-2021

you can use an easy method such as column addition
30.68 g
+ 2.30 g
32.98 g

hope this helped!

Answer Link

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