Now write 100,000 • 1 over 100,000 as multiplying 10 to a power by 10 to a power

You invested $5000 between two accounts paying 4% and 9% annual interest, respectively. if the total interest earned for theyear was $350, how much was invested at each rate? $was invested at 4% andwas invested at 9%.

Which matrix multiplication is possible?

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.