Question

Urgent need answer fast
Fan and medal//CHECK BELOW
Which shows the expression below in simplified form?

(8.5 × 10-2) - (1.5 × 10-4)

A. 8.485 × 10-3
B. 8.485 × 10-2
C. 8.35 × 10-2
D. 8.35 × 10-3

Answer 1

i KNOW its either a or b but im not sure which one

Answer 2

whats 8.5*10^-2=?
whats 1.5*10^-4=?

Answer 3

let me calculate

Answer 4

0.08485

Answer 5

now put it in standard form we get ?

Answer 6

hav no idea how to do that honestly

Answer 7

0.08485 same as 8.485*10^2
we move 2 decimal places

Answer 8

oh i see what you are saying