Question 2 Two numbers are multiplied in an Excel spreadsheet. The product of the two numbers, given in scientific notation, is 3.05E-8. Which number is equivalent to 3.05E-8?
А
0.00000000305
B
0.0000000305
с
305,000,000
D
30,500,000,000

Abank manager wants to encourage new customers to open accounts with principals of at least $2 comma 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! "?