Let R, F, L, B, T, U Mean Rotate 90°

question 58

Multiple Choice

Let R, F, L, B, T, U mean rotate 90° clockwise the right, front, left, back, top, and under faces, respectively. Name the move that will return the cube to standard position after making the move T^-1F^-1. ​

• A) FT
• B) TF²
• C) TF
• D) F(T^-1)³
• E) T²F²

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Definitions:

Long Life

Living for an extended period, often beyond the average lifespan for a species or demographic group.

Life Expectancy

The average period that a person may expect to live.

Mortality Rate

A measure of the frequency of occurrence of death in a defined population during a specified interval.

Cohort Death Rate

is a measure of mortality rates within a defined cohort of individuals over a specific period of time, illustrating the rate at which members of the cohort die.