Answer:
1+1=2 and 1x1= 1
Step-by-step explanation:
If you add something you take the first number and add it to the second one. If it is multiplication, you take the first number, and multiply by itself, so it would be 1 times itself (1) and it is kind of like 1+0 which equals 1. It doesn't sound like a lot, but when you get into Algebra and Pre-Algebra, etc. it does come along easier.
Answer:
Third option is the correct choice.
Step-by-step explanation:
is the first term of the sequence which is given to be 1.
is the common ration which can be found as:

Best Regards!
2.4•10^-10
the dot is the multiplication symbol and the -10 is the exponent
6/7 because 48 divided by 8 is 6 and 56 divided by 8 is 7
1.5km = 1500m
To find the percentage take 15 and divide it by 1500, then times by 100
15/1500 x 100 = 1%