How do you write 1,400 in standard notation?
Standard Notation is the "normal" way of writing numbers. If you meant scientific notation ( a way to write large numbers in a more compressed form), this is how to do it
The rule is to have one digit before the decimal place (the first digit in your number), followed by any other non zero digits after the decimal, and any zeroes will be accounted for in the
In this case, we can write
If you want to visualize it, thing about the exponent (here it's 3) as the amount of places you are moving to the left.
This is an image illustrating another example: