multiply i by $4$
multiplication tricks
3^777
7^777
what is 3^1234567
what is 3^407
20.01รท5
(1/8)^k * (1/32768)^(1/3) = 1/8 * (1/32768)^(1/k),then value of k=?
what is 3^99
expand and simplify (3p-7)(4p-8)
vereenvoudig 1/2x -2y