Question

If a² = 12, then a4

Answer 1

square both sides

Answer 2

a^2= 12 also means squareroot of 12= a

Answer 3

much faster to square both sides:)

Answer 4

144 i would assume

Answer 5

so that gives aprox 3.46. sqr(12)^4 = 144

Answer 6

yes squaring both sides works well too and is easier