1,645.6 expressed in scientific notation equals?

Answer : The correct representation is,

Explanation :

Scientific notation : It is defined as the method or a way or representation of expressing the given number which are too big or too small that is written in the decimal form. That means, it always written in the power of 10 form.

For example : 8000 is written as,

As we are given the digit which is, 1645.6

This number is written in scientific notation as :

Therefore, the correct representation is,

1.solid

2.carbon dioxide

3.helium

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