Determine the quotient of (7.7 × 10–2) ÷ (2.2 × 10–2). Write your answer in scientific notation.

A)

3.5 × 10–2

B)

3.5 × 10–4

C)

3.5

D)

3.5 × 104

You do 7.7 divided by 2.2 which gives you 3.5. Then just divide the exponents seperately and when dividing you subtract the exponents. Since you are subtracting you will have (-2)-(-2) and when you subtract a negative number it becomes addition because the two -- cancel out. So it is -2+2 which is equal to 0. 10 to the power of 0 (or any number to the power of 0) is always equal to 1. So 3.5 x 1 is the answer which gives you C.

Determine the quotient of (7.7 × 10–2) ÷ (2.2 × 10–2). Write your answer in scientific notation. A) 3.5 × 10–2 B) 3.5 × 10–4 C) 3.5 D) 3.5 × 104

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Determine the quotient of (7.7 × 10–2) ÷ (2.2 × 10–2). Write your answer in scientific notation.

A)

3.5 × 10–2

B)

3.5 × 10–4

C)

3.5

D)

3.5 × 104