Question

Which set of numbers is arranged in descending order?(1 point)
Responses

7 × 10−30
, 7.2 × 10−25
, 7.2 × 10−30
, 7.6 × 10−25

7 times 10 Superscript negative 30 Baseline , 7.2 times 10 Superscript negative 25 Baseline , 7.2 times 10 Superscript negative 30 Baseline , 7.6 times 10 Superscript negative 25 Baseline

7.2 × 10−30
, 7 × 10−30
, 7.6 × 10−25
, 7.2 × 10−25

7.2 times 10 Superscript negative 30 Baseline , 7 times 10 Superscript negative 30 Baseline , 7.6 times 10 Superscript negative 25 Baseline , 7.2 times 10 Superscript negative 25 Baseline

7.6 × 10−25
, 7.2 × 10−25
, 7.2 × 10−30
, 7 × 10−30

7.6 times 10 Superscript negative 25 Baseline , 7.2 times 10 Superscript negative 25 Baseline , 7.2 times 10 Superscript negative 30 Baseline , 7 times 10 Superscript negative 30 Baseline

7.6 × 10−25
, 7.2 × 10−30
, 7.2 × 10−25
, 7 × 10−30

7.6 times 10 Superscript negative 25 Baseline , 7.2 times 10 Superscript negative 30 Baseline , 7.2 times 10 Superscript negative 25 Baseline , 7 times 10 Superscript negative 30 Baseline

Answer 1

7.6 × 10⁻²⁵, 7.2 × 10⁻²⁵, 7.2 × 10⁻³⁰, 7 × 10⁻³⁰.

Reason: Numbers with exponent −25 are much larger than those with −30; within each exponent, compare the coefficients (7.6 > 7.2 and 7.2 > 7).