What is the number 6.3×10^−4 written in decimal notation?

The number 6.3×10^−4 written in decimal notation is 0.00063.

To write the number 6.3 × 10^−4 in decimal notation, we need to move the decimal point 4 places to the left.

Starting with 6.3, moving the decimal point 4 places to the left gives us:

0.00063

Therefore, the number 6.3 × 10^−4 written in decimal notation is 0.00063.

To express the number 6.3×10^−4 in decimal notation, we need to understand scientific notation. Scientific notation is a way to write very large or very small numbers using powers of 10.

In this case, the number is written as 6.3×10^−4. The base number 6.3 is multiplied by 10 raised to the power of -4. To convert it to decimal notation, we need to move the decimal point 4 places to the left since the exponent is negative.

Starting with 6.3, we move the decimal point four places to the left:

6.3 × 10^−4 = 0.00063

So, the number 6.3×10^−4 in decimal notation is 0.00063.