Find the error Hiroshi is finding-15-(-18).Find his mistake and correct it. (-15-(-18)=-15+(-18)=-33

5500 dollars is placed in an account with an annual interest rate of 6.5%. to the nearest tenth of a year, how long will it take for the account value to reach 19700 dollars?

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?