Question

What is the value of the expression simplified in Standard Notation: (3.2×10−2)(4.2×106)(5.2×105)
(1 point)
Responses

0.26
0.26

0.0026
0.0026

2.6
2.6

0.00026

Answer 1

Compute the mantissas and the powers of ten separately:

- Mantissas: 3.2 × 4.2 × 5.2 = 69.888
- Exponents: 10^(−2+6+5) = 10^9

So the product = 69.888 × 10^9 = 6.9888 × 10^10 = 69,888,000,000.

None of the four listed choices match this value.