Question

I need help please I will mark you brainliest

Answer 1

Answer:

A

Step-by-step explanation:

10^-3 will make it negative and then 10^3 because it is less then 10^7

Answer 2

Answer:

A

Step-by-step explanation:

Because all three of these are 7.68x10^a power the determining factor in which one is the greatest is based on which one has the largest exponent -3<3<7 so this is the order from least to greatest.