The image shows a series of figures. Its history not math srry

2 rows of numbers. The top row shows Arabic numbers and the bottom row shows Roman numerals: 1, 2, 3, 4, 5, 6, 7, 8, 9, 0.

This new way of counting included which idea?

a decimal system

a calendar system

the concept of pi

the introduction of algebra

I have no idea. I think its D ( the introduction of algebra )

Step-by-step explanation:

This is because I heard something about this while learning history. I am also doing the exam review. Good luck!

a decimal system

Step-by-step explanation:

I did the test and choose b cause everyone says so, then i got it wrong, the correct answer it shows was A: a decimal system

2/3

step-by-step explanation:

0.0076, if you meant 4.125 divided by 0.03125 it would be 132

step-by-step explanation:

first you have to move the decimal in 0.03125 over until its behind the 5 which is 5 places over. now the number is 3125

then you have to move the decimal in 4.125, 5 places over. now the number is 4,112,500.

now you divide like you would normally would and get 0.0076