4.9 x 10 (to the ninth power)
That is scientific notation.
49 billion
.49
49% =0.4949/100
To convert 0.49 to percent multiply by 100: 0.49 × 100 = 49 %
49/11
49,000,000,000
49 billion punches
49 billion
You write "49", then you either add 9 or 12 zeros, depending on whether you prefer the "short scale" or the "long scale". English-speaking countries would usually add 9 zeros (short scale).
As many as you want. An unlimited number of ways.
.49
49% =0.4949/100
A number being divisible by another number is a different way of saying the factors of a number. Factors are numbers you can multiply together to get another number. 49: 1, 7, 49
To convert 0.49 to percent multiply by 100: 0.49 × 100 = 49 %
0.049
There is no need. I do know how to write it.
bob