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

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

anonymous · Answer

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

lynfran · Answer

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

anonymous · Answer

let me calculate

anonymous · Answer

0.08485

lynfran · Answer

now put it in standard form we get ?

anonymous · Answer

hav no idea how to do that honestly

lynfran · Answer

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

anonymous · Answer

oh i see what you are saying