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  • The last (units) digit is 1 when the power is even and 9 when it is odd.
  • The digital root is a multiple of 9.
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Related Questions

What is nine to the second power equal?

81 A number raised to the second power is the number multipled by itself twice (9*9). A number raised to the third power, is the number multipled by itself 3 times (9*9*9) and so on.


What is 9 with exponent -2?

11


What number is raised to the .5 power to equal 9?

811/2 = sq rt 81 = 9


What 9 to the 0 power?

Any number raised to the 0th power is 1.


In 9 2 the base is what value?

In the expression "9 2," the base is the number 9. In mathematical terms, the base is the number that is being raised to a power, while the exponent (which is 2 in this case) indicates how many times the base is multiplied by itself. Therefore, 9 raised to the power of 2 is equal to 81.


What is the greatest three digit number with all the digits different?

987 7 raised to the power of 8 raised to the power of 9. This equals7.0316765e+60 !!


What is the largest two digit number to the exactly 9 factors?

To have exactly 9 factors, the number would either have to have a prime number raised to the 8th. power; this is not possible with two digits.The other option is to have a prime number raised to the second power, times another prime number raised to the second power. (The number of factors in this case is (2 + 1)(2 + 1).) This is only possible if you use the prime factors 2 and 3; any other combination of prime numbers will yield a number that has more than 2 digits.


What number goes in the blank 823543 46656 3125 256 blank 4?

27. The pattern is: 823543 = 6 raised to the 6th 46656 = 5 raised to the 5th ... 27 = 3 raised to the 3rd.


Which is larger 99 raised to the ninth power divided by 9 raised to the 99 power or 11 raised to the ninth power divided by 9 raised to the 90th power?

11 raised to the 9th power divided by 9 raised to the 90th power


The missing number in this series is 9 656143046721?

To find the missing number in the series "9, 656143046721", we need to identify a pattern. The first number, 9, can be seen as (3^2), while the second number, 656143046721, can be expressed as (81^{2} = 9^{4}). Therefore, the missing number likely follows the pattern of powers of 9, which suggests that the missing number could be (9^{3} = 729).


What is the value of the exponent 2?

The value of the exponent 2 refers to raising a number to the power of 2, which means multiplying that number by itself. For example, 3 raised to the power of 2 (3²) equals 9, as 3 × 3 = 9. In general, any number ( x ) raised to the exponent 2 is expressed as ( x^2 ).


What is the rest of this number pattern 729 243 81 27?

The number pattern is a sequence where each number is divided by 3 to get the next number. Following this pattern, the next numbers would be 9 (27 ÷ 3), 3 (9 ÷ 3), and 1 (3 ÷ 3). Thus, the complete sequence continues as 9, 3, and 1.