Question

Evaluate the expression and choose the correct answer in scientific notation.

(2 × 10^2) × (4 × 10^2)

A. 8 × 10^4

B. 7 × 10^3

C. 8 × 10^2

Answer 1

hint: (10^2)*(10^2) = ?

Answer 2

And 7 × 10^2 and 200

Answer 3

???

Answer 4

\[(2 \times 10^2) \times (4 \times 10^2)\]
multiply the coefficients first
\[(2 \times 4)(10^2 \times 10^2)\]
and now multiply each of them
\[8 \times 10^4\]

Answer 5

Okay thank you

Answer 6

yw :)

Answer 7

yeah i thinks its either a or c