7.59
7.5 x 10^1
the way to write "i" in spanish is "yo"I= yo
3.4 expanded form
That system makes it much easier to write the numbers, remember them, tell them to others, and notice mistakes when they're written wrong.
Both
¡Yo gané!
Yo también.
146 is fine. Yo do not need a decimal point nor trailing 0s.
Irreplaceable
yo hablo español
1,000,000,000