You must know the exchange rate when you travel to a different country because not all money is equal. The American dollar is not equivalent to a peso or a euro for example. You need to know the exchange rate so you get the same value of money that you give.
3 times 10^4-5 is 6782 and I really need point so I’m just putting random stuff 45 -67
90,000+4,000+600+70+8 is your answer
Answer:
X= -15 is the correct answer
126 = 63 x 2 = 21 x 3 x 2 = 7 x 3 x 3 x 2
=> 126 = 2 x 3² x 7