Myranda's electricity bill in April was $64. If her electricity bills for May and June are each 2 times more than the previous month, what is the amount of Myranda's June electricity bill, written as an exponent?

$2^7
$21^2
$2^8
$2^9

Question

Myranda's electricity bill in April was $64. If her electricity bills for May and June are each 2 times more than the previous month, what is the amount of Myranda's June electricity bill, written as an exponent? 
 

  $2^7 
  $21^2 
  $2^8 
  $2^9

anonymous · Answer

its supposed to be 2^12 not 21^2

nottim · Answer

wat do the #s represent

lgbasallote · Answer

let x = april bill
may = 2x
june = 2(2x) = 4x
so june = 4(64)
2^2(2^6)
so it's 2^8