Answer:3495250
Step-by-step explanation:
~geometric sequence
common ratio: r=4
formula: Sn=a1(1-r^n)/1-r
Sn=10(1-(4)^10)/1-4
=-10485750/-3
=3495250
No because the number has to be between 1 and 10 so it should be 2.6x10^3
You turn an improper fraction to a decimal by dividing the numerator (number on top) by the denominator (number under).
Answer:
31) They divided by 100, they're suppose to times 0.86 by 100 instead, which will be 86%
33) 0.34 x 100=34%
35) we do the inverse to turn it back into
a decimal which will be 0.36

36) 16.24÷100=0.6424

No enough info
you can just say that five brought there own lunch while 19 didnt