Please specify what the number was. Standard form refers to making the number and adding a number by which to multiply it and a power.
E.g.
9000 in standard form could be:
9X103
9 x 9 = 81
No it is not. Standard form is when you just have a number like 200. Expanded form is when you spell out the word like two hundred.
It is: 7.21*10^9
9 + 0.3 + 0.05
write 5ones 9thousandths-2ones in standard form
9 x 9 = 81
81
No it is not. Standard form is when you just have a number like 200. Expanded form is when you spell out the word like two hundred.
It is: 7.21*10^9
9 + 0.3 + 0.05
100 + 20 + 9 + 9 + 001 = 139
write 5ones 9thousandths-2ones in standard form
90.3
The number nine inches can be written as "9".
9 in standard form is 9.0 × 100
14
That the single integer before the decimal point is not less than 1 and is not greater than 9