Question

Divide: Express in Scientific Notation 4.2x10^6/2.1x10^3

Answer 1

@iGreen

Answer 2

@ganeshie8

Answer 3

\(\large \dfrac{ 4.2 \times 10^6}{2.1\times 10^3}\)

Answer 4

whats the value of 4.2/2.1 ?

Answer 5

2.1

Answer 6

\(\large \dfrac{ 4.2 \times 10^6}{2.1\times 10^3} = \dfrac{ 2.1 \times 10^6}{10^3}\)

Answer 7

next use below exponent property :
\(\large \dfrac{a^m}{a^n} = a^{m-n}\)

Answer 8

\[2\times10^{2}\]?

Answer 9

\(\large \dfrac{ 4.2 \times 10^6}{2.1\times 10^3} = \dfrac{ 2.1 \times 10^6}{10^3} = 2.1 \times 10^{6-3}\)

Answer 10

Okay so C and D are out.

Answer 11

2x10^3 or 2.1x10^3?

Answer 12

\(\large \dfrac{ 4.2 \times 10^6}{2.1\times 10^3} = \dfrac{ 2.1 \times 10^6}{10^3} = 2.1 \times 10^{6-3} = 2.1\times 10^3\)

Answer 13

I wanna go with 2.1

Answer 14

Yayy.