What is the number of significant digits in `1.00xx10^6`?

What is the number of significant figures in 0.00650

What is the significance of meiosis?

State the number of significant figures in the, following: 2.64 xx 10^(24) kg

State the number of significant figures in the, following: 6..320 N m^(-2)

State the number of significant figure in the following. 6.320J

State the number of significant figure in the following. .23gm

Write the number of significant figures in each of the following measurements 1.67xx10^(-27)kg:

What is meant by significant figures? State the number of significant figures present in the following expressions:-0.0036g

What is the significance of Lewis symbols?

What' is the significance of null vector?