129k views
4 votes
Question 2

5 pts
80) Multiply 6.4 x 10-3 times 8.0 x 10' and express the answer in scientific notation.
O 5.1 x 10-21
O 5.1 x 10-3
O 5.1x 103
O 5.1x 104
0 5.1 x 105
5 pts

1 Answer

4 votes

Answer:

5.1 x 10⁻¹

Step-by-step explanation:

Given:

6.4 × 10⁻³ × 8.0 × 10¹

Find:

Value of equation

Computation:

6.4 × 10⁻³ × 8.0 x 10¹

[6.4 × 8.0] × [10⁻³ × 10¹]

[51.2] × [10⁻²]

5.12 x 10⁻¹

5.1 x 10⁻¹ (Approx)

User Khorolets
by
3.7k points