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What (who) is 4-8-4 - definition
4-8-4
Under the Whyte notation for the classification of steam locomotives, represents the wheel arrangement of four leading wheels on two axles, eight powered and coupled driving wheels on four axles and four trailing wheels on two axles. The type was first used by the Northern Pacific Railway, and initially named the Northern Pacific, but railfans and railroad employees have shortened the name since its introduction.
1 − 2 + 4 − 8 + ⋯
INFINITE SERIES
1 − 2 + 4 − 8 + 16 − · · ·; 1 + 2 + 4 + 8 +...; 1 + 2 + 4 + 8 +..; 1 + 2 + 4 + 8 +.; 1+2+4+8.; 1+2+4+8..; 1+2+4+8+..; 1+2+4+8+.; 1 − 2 + 4 − 8 + · · ·; 1 − 2 + 4 − 8 + …; 1 − 2 + 4 − 8 + ...
In mathematics, is the infinite series whose terms are the successive powers of two with alternating signs. As a geometric series, it is characterized by its first term, 1, and its common ratio, −2.
Matthew 4:8
VERSE OF THE BIBLE
Mt. 4:8
Matthew 4:8 is the eighth verse of the fourth chapter of the Gospel of Matthew in the New Testament. Jesus has just rejected Satan's second temptation.
