High School

A grain of rice weighs 0.029 grams. Given there are 1000 milligrams in a gram, how many milligrams does a single grain of rice weigh?

Answer in scientific notation.

Answer :

There are 2.9 x 10¹ mg does a single grain of rice weigh.

We have,

A grain of rice weighs 0.029 grams.

To convert the weight of a single grain of rice from grams to milligrams, we need to multiply it by 1000:

= 0.029 grams x 1000

= 29 milligrams

Now, Expressed in scientific notation, this is:

29 milligrams = 2.9 x 10¹ mg

Therefore, There are 2.9 x 10¹ mg does a single grain of rice weigh.

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To convert the weight of a single grain of rice from grams to milligrams, we need to multiply it by 1000:
0.029 grams x 1000 = 29 milligrams
Expressed in scientific notation, this is:
2.9 x 10^1 mg