Asked by Rebekah
                How would you figure out 1.45386759 x 10 to the 12 and round to the significant figure?
thanks
            
        thanks
Answers
                    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??
    
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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