+0

# rounding help

+1
123
3
+692

how would i round 278414359.311 up to 3 significant figures? i dont understand...would it just be 278?

Sep 4, 2020

#1
+28025
+2

yes     278 with a 000 000   after it

Sep 4, 2020
#2
+10793
+2

how would i round 278414359.311 up to 3 significant figures? i dont understand...would it just be 278?

Hi Nirvana!

You write after the three significant digits  $$278\times 10^n$$
n is the number of digits between the third number 8 and the point, i.e. 6.

Round 278414359.311 up to 3 significant figures.

$$278414359.311\approx 278\times 10^6$$

greeting

!

Sep 4, 2020
#3
+692
0

thanks guys! but wait asinus,,,shouldn't it be 2.78 *10^8 if you want to write it in scientific notation ?

Sep 7, 2020