Which phrases describe radioactive elements? Check all that apply.

A) occur in nature
B) decay at a constant rate
C) have a consistent number of particles
D) have a half-life that determines their rate of decay
E) release energy and particles to maintain radioactivity

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Ответ:

iamPaola

14.06.2020

Mathematics

$\boxed {8 \times 58}$

Answer D is correct

Step-by-step explanation:

Twice a certain number is 58

$\red {2 \times 58}$

Four times that number will be

$\green{ 2\times 58 \times 4 }\\ = 8 \times 58$

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Which phrases describe radioactive elements? Check all that apply. A) occur in nature B) decay at a constant rate C) have a consistent number of particles D) have a half-life that determines their rate of decay E) release energy and particles to maintain radioactivity