jaass28
28.01.2020 •
Mathematics
A) estimate 51% of 162.
b) use mental math to calculate 51% of 162.
Solved
Show answers
More tips
- S Style and Beauty How to Make Your Lips Fuller? Ideas and Tips for Beautiful Lips...
- S Style and Beauty How are artificial nails removed?...
- F Family and Home How to Sew Curtain Tapes: Best Tips from Professionals...
- H Horoscopes, Magic, Divination How to Cast a Love Spell on a Guy? Guide for Guys...
- F Family and Home How to Properly Use a Water Level?...
- L Legal consultation What Documents Are Required for a Russian Passport?...
- H Health and Medicine How to Treat Styes: Causes, Symptoms, and Home Remedies...
- F Family and Home Protect Your Home or Apartment from Pesky Ants...
- T Travel and tourism Lost in the Catacombs: What to Do?...
- C Computers and Internet Make Easy Accessible Screenshots on iPad in Just a Few Minutes...
Answers on questions: Mathematics
- M Mathematics Find the slope of the line...
- E English Silent mode is an adjective or an adverb?...
- C Chemistry Which of the following phrases is the best definition of science? nonsense blobs to gain the points will be reported ex: jssjsiisoeejehhaha...
- M Mathematics What is the equation of the line below ?...
Ответ:
Shall we begin?
51% = 51/100 = 0.51
Estimate 51% of 162:
= 162 * 0,51
= 82.6
Answers: 82.6
Ответ:
an=a1(r)^(n-1)
a1=first term
r=common ratio
common ratio is -2 (-4 times -2=8)
first term is -4
an=-4(-2)^(n-1)
20th term
a20=-4(-2)^(20-1)
a20=-4(-2)^19
a20=2097152
20th term is 2097152