Using a very precise measuring device, Dr. Calvin measured the thickness of a piece of metal to be 0.00064 of a meter. Dr. Amos measured another piece to be 2.5 × 10-5 of a meter thick. If the doctors put the two pieces of metal on top of each other, the new piece of metal would be ??? x 10-4 of a meter thick.

Question

anonymous · Answer

so this is a question to teach you about how standard notatoin works, is that what you hare having a hard time with? the 'x 10-5' stuff?

anonymous · Answer

yes

anonymous · Answer

so when ever you see "x10-5" all that it is saying is to move the decimal to the left 5 number places. like this:|dw:1383349476582:dw|