What does 900.000.000.000 look like in standard form?

Answer 1

900,000,000,000 in standard form is written as 9 x 10^11. This is because the decimal point is moved 11 places to the left to make the number between 1 and 10, and the exponent indicates how many places the decimal point was moved.

Answer 2

Writing a number in standard form simply means to express the number in its 'normal' form. Therefore, your example is written in standard form as: 900,000,000,000