6.3E7 cm converted to mm would be

4.3cm converted to in would be

4.3 cm would be 1.69 in

Here is the simple metric table

km
hm
dam
meter
dm
cm
mm
So to go from cm to mm you move down the table 1 place which means you move the decimal point to the right 1 place.

Jean gave the answer of 1.69 but there are only two sig figures in 4.3 so the answer should be rounded to 1.7 inches.

To convert 6.3E7 cm to mm, we need to multiply the given value by 10, because there are 10 millimeters in every centimeter.

So, to convert 6.3E7 cm to mm:
6.3E7 cm * 10 mm/cm = 6.3E8 mm

Therefore, 6.3E7 cm is equal to 6.3E8 mm.

To convert 4.3 cm to inches, we need to divide the given value by 2.54, because there are 2.54 centimeters in every inch.

So, to convert 4.3 cm to inches:
4.3 cm / 2.54 cm/in = 1.69 inches

Therefore, 4.3 cm is equal to 1.69 inches.