No Actually... x^(-y) is equal to 1/x^y. 2^(-2) is equal to 1/2^2 which is equal to 1/4 or 0.25.
9-2 = 1/92 = 1/81
One half to the negative first power is equal to the reciprocal of one half raised to the first power. The reciprocal of one half is two, so (1/2)^(-1) = 1 / (1/2) = 1 * 2 = 2.
A negative exponent or power is equivalent to the reciprocal of the positive exponent. 2-4 = 1/24 = 1/16 = 0.0625
the awnser to your question is -8. No, it's One-quarter. 21 = 2, 20 = 1, 2-1 = 1/2, 2-2 = 1/4. Each reduction of 1 in the power gives a result half of the previous term.
1/22
No Actually... x^(-y) is equal to 1/x^y. 2^(-2) is equal to 1/2^2 which is equal to 1/4 or 0.25.
3
A number to a negative power is equal to One divided by number to its positive power. So, x^-2 is equal to 1/x2.
1/8 or .125
yes ma'am ADDED: The above is wrong. 2^-2 means 1/2^2 or 1/4 -2^2 can equal - 4
1/9 = 0.11111...
2 to the power of negative one is equal to 0.5
9-2 = 1/92 = 1/81
10-2 is defined as 1 / 102, which is equal to 1/100.
One half to the negative first power is equal to the reciprocal of one half raised to the first power. The reciprocal of one half is two, so (1/2)^(-1) = 1 / (1/2) = 1 * 2 = 2.
it equals 1/25, or 0.04. A number to a negative power is the reciprocal of the number to that same positive power. x^(-y) = 1/(x^y)