A Sample of Technetium-99m Has an Activity of 1

question 80

Multiple Choice

A sample of technetium-99m has an activity of 1.5 Ci. How many disintegrations occur in the technetium-99m sample in 5.0 sec?

• A) 5.6 × 10¹¹
• B) 2.8 × 10¹¹
• C) 1.1 × 10¹⁰
• D) 7.5
• E) 2.0 × 10^-10

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Definitions:

Data Types

Categories of data that determine the type of data (e.g., integer, floating-point, boolean) and the operations that can be performed on that data.

Output Device

A hardware component used to convey information from a computer or system to the external environment, such as a monitor, speaker, or printer.

Input Device

Any device that is used to feed data or control signals into a computer or processing system, such as a keyboard, mouse, or sensor.

IREF

IREF often stands for reference current, a specific, stable current used as a reference point in electronic circuits for biasing and stabilizing purposes.