Question

Which of the following is equal to 3,409?

A. (3 x 104) + (4 x 10²) + (9 x 10')
B. (3 x 103) + (4 x 102) + (9 x 10°)
.
C (3 x 10 ) + (4 x 10') + (9 x 10')
D. (3 x 10) + (4 x 102) + (9 x 10')

Answer 1

B

Explanation:

3,409 = 3000+400+9

= (3× 10³)+ (4×10²)+(9×10°)

the answer is B