-7.50 x 10^2
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75 in scientific notation is 7.5 X 10
Yes, scientific notation can be negative. For example -345 would be -3.45 x 102.
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.
7.5 x 10-1.
A decimal.