HELPPP PLEASEE how can you use the results you've derived to find any expression in terms of 10 to some power, a, multiplied by 10 to some power, b?

Which expression is equivalent to 2x^2+7x+4?

What is the sum of the first 8 terms of the geometric series

Fixed rate mortgage offer: purchase price: $170,000 down payment ($34k): 20% term: 30 years interest rate: 4.25% property tax (yearly): $1,500 homeowner’s insurance (yearly): $1,000 use this example from a fixed-rate mortgage calculator to you answer the questions. keep the page open after you complete this question. according to the calculator, the monthly payment demarco and tanya should anticipate paying for principal and interest is $208. $877. $669. $1,200.