Dan wrote (2x10^6)+(3x10^4)+(5x10^3)+4 for the expanded form of two millions , three hundred fifty thousand, four. what error did he make in the expanded form? what is the standard form of the number?

Part 1) Dan wrote in expanded form two millions thirty five thousand, four instead of  two millions , three hundred fifty thousand, four

Part 2) The standard for of the number is

Step-by-step explanation:

we have

The number two millions , three hundred fifty thousand, four

we know that

Dan Wrote

The number that Dan wrote is two millions thirty five thousand, four

The correct number in expanded form is

The standard for of the number is

e.

step-by-step explanation:

because there are always 10 numbers in a phone number.