Cesium-137 Undergoes Beta Decay and Has a Half-Life of 30

question 21

Multiple Choice

Cesium-137 undergoes beta decay and has a half-life of 30.0 years.How many beta particles are emitted by a 14.0-g sample of cesium-137 in three minutes?

• A)6.1 × 10¹³
• B)6.2 × 10²²
• C)8.4 × 10¹⁵
• D)1.3 × 10^-8
• E)8.1 × 10¹⁵

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