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-5a4 The coefficient would be -5. The variable is a and the power is 4.
In scientific notation, a number is represented as the product of a coefficient and a power of 10. The coefficient is a decimal number between 1 and 10, and the power of 10 indicates the number of places the decimal point is moved. For example, in the number 4.2 x 10^3, "4.2" is the coefficient and "3" is the power of 10.
The mantissa, or coefficient, is multiplied by an integer power of 10.
The derivative is 2x based on the power rule. Multiply the power by the coefficient of x then drop the power by one.
coefficient