Question

Calculate the answer. Express it in scientific notation and include the correct number of significant figures. (12 x 104 ) x (5 x 10-²) = 6 x 10 ³ 6 x 105 6.0x10²​

Answer 1

Answer:

Explanation:

(12 x 104 ) x (5 x 10-²) = 6 x 10 ³ 6 x 105 6.0x10²

1.  (12 x 104 ) = 1248 or 1.248 x 10^3

2.  (1.248 x 10^3)(5 x 10^-2) = 6.240 x 10^1 or 60 rounded to 1 sig fig

I don't understand "= 6 x 10 ³ 6 x 105 6.0x10² "