Since the formula for the area of a circle is Pi x r squared, the area would be 81 x Pi (you teacher may want you to use Pi as 3.14 or put it in your calculator).
Answer:
The second one, third one and the fifth one should be correct. (7 to the 18th power divided 7 to the 9th power, 7 to the 3rd power to the 3rd power, and 7 to the 4th power times 7 to the 5th power)
Step-by-step explanation:
7 to the 8th power times 7 equal 40353607 so if you do all the equations shown you can rule out which ones equal 40353607 and which ones don't. Have a nice sleep!
Answer:2nd one
Step-by-step explanation:
The best estimate would be 121/15 = 8.1
Answer:
Brainly is a platform that is used to help students in need. There are many social networks that offer socializing with many people from every country in the world.
I suggest you install any of those apps, and try find someone to talk to.
On this platform, we offer knowledge and help when it comes to important tests, quizzes and other knowledge-related topics.
Hope I helped.
