75 = 4(2)^x

Solve the equation by changing the form. Round answer to three decimals.
*the “x” is the exponent
plz help I'm so confused, make it step by step cause I'm dumb

Abank manager wants to encourage new customers to open accounts with principals of at least $2,500. he decides to make a poster advertising a simple interest rate of 3%. what must the principal be if the bank manager also wants to advertise that one can earn $10 the first month? can the poster correctly say, "open an account of $2 comma 500 and earn at least $10 interest in 1 month! "?