Multiply (2.0 ⋅ 10^−4) ⋅ (3.1 ⋅ 10^−20). express the answer in scientific notation.

6.2 × 10⁻²⁴

Step-by-step explanation:

  (2.0 × 10⁻⁴)(3.1 × 10⁻²⁰)

= (2.0 × 3.1)( 10⁻⁴ × 10⁻²⁰)

= 6.2 × 10⁻²⁴

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step-by-step explanation:

the terms of a geometric sequence can be found by beginning with the first term and multiplying by the common ratio repeatedly. a recursive formula for a geometric sequence with common ratio r is given by an=ran−1 a n = r a n − 1 for n≥2 n ≥ 2 .

step-by-step explanation: