Asked by Rebekah

How would you figure out 1.45386759 x 10 to the 12 and round to the significant figure?

thanks
Answered by bobpursley
Please explain. One has to know how many significant digits there are before it can be rounded.
Answered by Rebekah
ok. Like here in this example...

1.548937075 x 10 to the 12th. Would you do the problem 1.548937075 x 10 to the 12th which would be 1,548,937,075,000 first before you rounded. I think in the number that I got (1,548,937,075,000) there are 10 significant numbers??
Answered by Rebekah
sry... 1.548937075 x 10 to the 12th. round the number to 3 significat figures.
Answered by Rebekah
If you didn't do the power of 10 and just kept the number 1.548937075 wouldn't it be rounded to 1.55 if it was round to 3 significant numbers?
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