why the exponents can not be negative
Positive exponents: an = a*a*a*...*a where there are n (>0) lots of a. Negative exponents: a-n = 1/(a*a*a*...*a) where there are n (>0) lots of a.
They can be written as reciprocals with positive exponents. For example, 5-7 = (1/5)7
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All the powers and exponents of 1 are 1.The powers and exponents of any of the other numbers up to 10 are equivalent to the all the positive numbers - rational and irrational.
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why the exponents can not be negative
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You can have negative exponents anywhere. When they are in the denominator, they are equivalent to positive exponents in the numerator of a fraction.
by doing reciprocal
They are the reciprocals of the positive exponents. Thus, x-a = 1/xa
Exponents that are NOT a negative exponent therefore they are mostly whole numbers kind of:)
Positive exponents: an = a*a*a*...*a where there are n (>0) lots of a. Negative exponents: a-n = 1/(a*a*a*...*a) where there are n (>0) lots of a.
It is in the simplest form when all exponents are positive.
They can be written as reciprocals with positive exponents. For example, 5-7 = (1/5)7
A negative exponent becomes positive in the reciprocal. So if you have a number a^x where x is negative, then, a^x = 1/(a^-x) and, since x is negative, -x is positive.
Write in positive exponents: (3x ) / y =