It is 0.53, 0.53, 0.53
The prime factors of 20 are 2 and 5. The prime factors of 30 are 2, 3 and 5.
No, none of the factors are repeated.
.1x.1 or 1/10x1/10
2^2 = 4
32*72 = 441
18 has square factors, but no repeated ones.
The repeated factor of 102 is 10.
A power (or exponent).
3 x 137 = 411
It can. Square numbers have repeated factors.
Power
Exponents
22 x 52 x 19 = 1900
The prime factors of 20 are 2 and 5. The prime factors of 30 are 2, 3 and 5.
No, none of the factors are repeated.
16 if you count the repeated twos, 10 if you don't.
Square numbers have repeated factors. 6 x 6 = 36