$(6\times10^{-7})\div(3\times10^{-3})=\dfrac{6\times10^{-7}}{3\times10^{-3}}=\dfrac{6}{3}\times10^{-7-(-3)}=2\times10^{-7+3}\\\\=\boxed{2\times10^{-4}}\\\\Used:\\\\\dfrac{a^n}{a^m}=a^{n-m}$

7 0

3 years ago

If there are 44 countries in Europe, out of 195 countries in the world, what percent of countries are in Europe?

frutty [35]

Answer:

There are 44 countries in Europe today, according to the United Nations. The full list is shown in the table below, with current population and subregion (based on the United Nations official statistics).

6 0

3 years ago

Read 2 more answers

Instructions:Select the correct answer. Shaun and Trudy are selling raffle tickets. So far, Shaun has sold x tickets. Trudy has

pishuonlain [190]

C. 3/2x+3 is the correct one. Hope this helps!

4 0

3 years ago