How to Rank significant figures ?

Zeros between non zero digits are significant. Zeros to the left of the first non zero digit are not significant. 0.001111 has four significant figures. Trailing zeros (the right most zeros) are significant when there is a decimal point in the number.

photocells convert light energy to electricity

as we probably am aware that our atmosphere or air have various levels, each level has different gasses, and each gas has another porousness. at the point when the light originates from lower porousness to higher penetrability, it alters its course. with the goal that implies that when the light originates from the moon to the earth, it alters it's course a lot more occasions. it essentially implies that the state of the light piece of the moon is changed on the earth.

not copied too! hope this !

joke:

h o h o hope you have a merry christmas!