Round each of these measurments to three sig figs?

2 ⤊

Round each of these measurments to three sig figs?

Round each of these measurments to three sig figs?

A. 0.000 763 21 cg

B. 57.048

this is not a homework problem...a practice problem

2006-12-10 11:44:52 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

2 answers

A. 0.000 763 cg
initial zeros do not count

B. 57.0
zeros after a decimal are counted

2006-12-10 11:49:53 · answer #1 · answered by Math-Chem-Physics Teacher 3 · 2⤊ 0⤋

A. 7.63 x 10 to the negative 4 power

B. 57.0 (if this is for nursing, it's a trick question. The answer would be 57, because you don't use zeros at the end)

2006-12-10 11:48:38 · answer #2 · answered by Kate429 2 · 0⤊ 0⤋