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they are all squares - 1², 2², 5², 6², 7², 9²

Q: What is the sequence to this 1 4 25 36 49 81?

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.... 49, 36, 25, 16, 9, 4 and 1

25 36 49 64 81 100 121 144

81

25 36 49 64 81

36, 49, 64 and 81

Related questions

81

.... 49, 36, 25, 16, 9, 4 and 1

25, 36, 49, 64, 81, 100...

The next number will be 25 because 5 times 5 = 25

25 36 49 64 81 100 121 144

7^2 = 49 and 8^2 = 81

121.

81

The first thing to notice is that all the numbers in the sequence are square numbers. 25=5x5 36=6x6 49=7x7 64=8x8 81=9x9 So the next three numbers to be squared are 10, 11 and 12. 10x10=100 11x11=121 12x12=144 Thus, the next three numbers in the sequence are 100, 121, 144 The equation for the sequence is (n+4)2

36 - The sequence is deducting two from the difference between the two numbers each time.81-64=1764-49=15 therefore49-36=13It is squire of numbers in decending order9*9=818*8=647*7=496*6=36

They are 25, 36, 49, 64, and 81 .

25, 36, 49, 64, 81