in government class, nadia computed the amount of debt of the federal government after a third of it was paid in 1995. The calculator displayed the number 3.28E12. What is this number in scientific notation.

A. 12 × 10³^.²⁸
B. 3.28 × 10^-¹²
C. 3.28 × 10¹²
D. 3.28 + 10¹²

The number 3.28E12 is already in scientific notation. Specifically, it is equivalent to 3.28 × 10¹².

Therefore, the answer is C.

To convert the number 3.28E12 into scientific notation, we can write it as 3.28 multiplied by 10 raised to the power of 12. Therefore, the answer is:

C. 3.28 × 10¹²

To convert a number to scientific notation, you need to represent it as a decimal number between 1 and 10 multiplied by a power of 10.

In this case, the number 3.28E12 is already in scientific notation. The "E12" represents multiplying the number 3.28 by 10 raised to the power of 12 (10¹²).

Therefore, the answer is C. 3.28 × 10¹².