Column A standard form scientific notation base and exponent column B a 10 B 7.6 * 10 ^ -4 c4d 45, 0000

In order to answer this question, let's break down each part separately:

Column A: Standard Form

Standard form is a way of representing numbers using digits only, without any exponents. To convert a number into standard form, you need to express it as a single digit followed by a decimal point and then multiplied by a power of 10.

Column B: Scientific Notation

Scientific notation is a way of expressing numbers that are very large or very small. It consists of a decimal number (between 1 and 10) multiplied by a power of 10.

Let's take a look at the values given in each column:

Column A: 45,0000

To convert this number into standard form, we need to move the decimal point 5 places to the left since there are 5 zeros after the digit 5. So the number in standard form would be:

45,0000 = 4.5 * 10^5

Column B: 7.6 * 10^-4

The number in column B is already in scientific notation. The base is 7.6 (a decimal number between 1 and 10), and the exponent is -4 (which means moving the decimal point 4 places to the left). So the number in standard form would be:

7.6 * 10^-4 = 0.00076

Column C: 4d

It seems like there is a typo in column C, as "4d" is not a valid representation of a number. If you have any other information or correction related to column C, please provide it, and I'll be happy to help you further.