7800
78 over 10 as a mixed number = 74/5
10 m = 100 dm 100 dm > 78 dm 10 m > 78 dm
780
78 = 60% 78/6 = 10% 780/6 = 100% = 130 Check: 130 x 0.6 = 78
To multiply a whole number by 10, just add a zero...
78 and 10
10 x 78 = 780
There are 2 significant figures in 7.8x109^?
Yes, 78 is a whole number.
78
78 is an even number as it can be divided by 2!
(78)4 = 37,015,056