Question

Which shows the expression below in simplified form?

(1.6 × 10^8) ÷ (4 × 10^3)
A. 4 × 10^4
B. 4 × 10^5
C. 4 × 10^6
D. 4 × 10^3

Answer 1

multiply 1.6 * 4 and add together the powers 8+3

Answer 2

is that a multiplication sign or division or ? I can't see it

Answer 3

division

Answer 4

then is 1.6/4 and 8-3

Answer 5

so 0.4x10^5

Answer 6

now since the answer doesn't match to above. Move the dot to the right and subtract one to the power

Answer 7

Therefore 4.0x10^4