Algebra II Scientific Notion

Question

(0.00057)(77,426x10³)

(38,000,000)(0.000437x10^-4)

how would you get the answer in scientific notion?

Answer 1

(0.00057)(77,426x10³)

(38,000,000)(0.000437x10^-4)

Convert all values to sci. not.

5.7x10^-4 × 7.7462x10⁴ × 3.8 x 10⁷ × 4.37x10^-8

now 5.7×7.7462×3.8×4.37x10^(-4+4+7-8)

766.21x10^-1 = 7.7x10⁺¹

Answer is correct to 2 sig. fig.

If you need further clarification, please let me know.

Mr. A