An advantage of using scientific notation over standard notation is that: a) It can shorten numbers with many digits while retaining its value.
b) It can manipulate the number of significant figures while retaining its value. c) Both of the above.
d) None of the above.

1 a

2 b

3 b

4 d

5 d

6 d

explanation:

object 2 because all the other ones are wrong

here are some information of the future of geothermal energy:

-the future of geothermal energy can pretty much be summed up with a single word: more

-scientists plan in going deeper than 120 meters

-we are hoping that one day, we will get all of our energy from renewable energy sources such as geothermal energy

hope this !