Solve the following and express each answer in scientific notation and to the correct number of significant figures.

A). (5.3 x 10^4) + (1.3 x 10^4)

B). (7.2 x 10^-4) / (1.8 x 10^3

C). 10^4 x 10^-3 x 10^6

D). (9.12 x 10^-1) - (4.7 x10^-2

E). (5.4 x 10^4) x (3.5 x 10^9)

Question

Jocelyn Bowman

Chemistry

10 September, 17:18

Solve the following and express each answer in scientific notation and to the correct number of significant figures.

A). (5.3 x 10^4) + (1.3 x 10^4)

B). (7.2 x 10^-4) / (1.8 x 10^3

C). 10^4 x 10^-3 x 10^6

D). (9.12 x 10^-1) - (4.7 x10^-2

E). (5.4 x 10^4) x (3.5 x 10^9)

+4

Answers (1)

Know the Answer?

Sabrina Graves · Answer 1

The answer to the correct number of significant figures is as follows:

A). (5.3 x 10⁴) + (1.3 x 10⁴) = 6.6 x 10⁴

B). (7.2 x 10⁻⁴) / (1.8 x 10³) = 4*10⁻⁷

C). 10⁴x 10⁻³ x 10⁶ = 10⁷

D). (9.12 x 10⁻¹) - (4.7 x10⁻²) = 8.65*10⁻¹

E). (5.4 x 10⁴) x (3.5 x 10⁹) = 18.9*10¹³

Solve the following and express each answer in scientific notation and to the correct number of significant figures.A). (5.3 x 10^4) + (1.3 x 10^4)B). (7.2 x 10^-4) / (1.8 x 10^3C). 10^4 x 10^-3 x 10^6D). (9.12 x 10^-1) - (4.7 x10^-2E). (5.4 x 10^4) x (3.5 x 10^9)

Solve the following and express each answer in scientific notation and to the correct number of significant figures.

A). (5.3 x 10^4) + (1.3 x 10^4)

B). (7.2 x 10^-4) / (1.8 x 10^3

C). 10^4 x 10^-3 x 10^6

D). (9.12 x 10^-1) - (4.7 x10^-2

E). (5.4 x 10^4) x (3.5 x 10^9)