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Yes, a negative number can be expressed in scientific notation. In scientific notation, a negative number is indicated by the negative sign (-) placed before the first significant digit. The number is then written in the form of a decimal number between 1 and 10, multiplied by a power of 10. For example, -3.2 x 10^-5 is a negative number expressed in scientific notation.

Q: Can a negative number be expressed in scientific notation?

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The number 299,792,458 expressed in scientific notation is 2.99792458 Ã— 108

96485 expressed in scientific notation is 9.6485X10^4.

The scientific notation for the number 192,000 can be expressed in these two ways:1.92 × 1051.92E5

Yes.

1,645.6 in Scientific Notation = 1.6456 x 103

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The number 299,792,458 expressed in scientific notation is 2.99792458 Ã— 108

96485 expressed in scientific notation is 9.6485X10^4.

A number such as this would not normally be expressed in scientific notation.

The scientific notation for the number 192,000 can be expressed in these two ways:1.92 × 1051.92E5

Yes.

This number would be rounded to 600,000 and the expressed in scientific notation as: 6.0*105

1,645.6 in Scientific Notation = 1.6456 x 103

When the absolute value of the number being expressed is less than 1: that is, the number lies between -1 and +1.

In scientific notation, a number is expressed as a decimal multiplied by a power of 10. To determine if a number is big or small, look at the power of 10. If the power is positive, the number is big, and if the power is negative, the number is small. The higher the magnitude of the power, the larger or smaller the number.

3.7*101 Normally a small number like this would not have to be expressed in scientific notation

It is: 8.345*10^0 (Although this is not a number that would usually be expressed in scientific notation.)

Such a number would be rounded to 30,000,000,000 and then expressed in scientific notation as 3.0*1010