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Earn +20 ptsQ: What number comes next in this series 298 209 129 58 -4?
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What is next number in series 298 209 129 58 -4?
-57
298 209 129 58 -4 what's the next number in the series?
-57
What is the next number in series 298-209-129-58- -4?
-57The first two numbers in the series has a difference of 89. The next two numbers (209, 129) has a difference of 80. The next two (129,58) has a difference of 71. As you can see the differences change by 9, so the next two numbers in the series (58, -4) has a difference of 62. Following this pattern, the next two numbers in the series will have a difference of 53. So the next number in this series will be (-4-53 = -57).
What is the next number in the series 298 209 129 58 and -4?
-57 298 - 89 = 209 209 - 80 = 129 129 - 71 = 58 58 - 62 = -4 -4 - 53 = -57 notice every number is subtracted by 9 less than the previous number's subtrator
What is the next number in the series 298 209 129 54 -4?
-4 or -17 if you use t(n) = (4n4 - 44n3 + 191n2 - 859n + 2496)/6
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