En un cultivo de bacterias inicialmente hay 3(elevado a 2) pero cada 5 minutos se dividen en otras 3 identicas. ¿En cuanto tiempo habrá 3(elevado a 6)

Prove the divisibility of the following numbers: 25^9 + 5^7 is divisible by 30.also, read as (25 to the power of 9) + (5 to the power of 7) is divisible by 30. blank x 30what is the blank? ( it should be expressed in exponent form)