Question

PLEASE HELP PLEASEe!

Answer 1

1. Which shows the expression below in simplified form?

(6.7 × 10^-5) - (1.1 × 10^-7)
6.6989 × 10^-5
6.689 × 10^-5
6.59 × 10^-5
6.689 × 10^-6

Answer 2

I'm pretty sure its a?

Answer 3

what did you get

Answer 4

Honestly i got D or A im not sure?

Answer 5

d is not right ^-6 is wrong

Answer 6

Oh okay so A?

Answer 7

yeah

Answer 8

Its wrong it was B @Ziegenbein

Answer 9

all i knew is that is was 6.7 and they both round to that sorry

Answer 10

Yeah its fine.