Use a Calculator to Find a Value for to Four

question 130

Multiple Choice

Use a calculator to find a value for to four decimal places.

• A)-2.7788
• B)2.7788
• C)-1.2068
• D)1.2068
• E)5.0814

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Definitions:

Neutrons

Tiny particles located within an atom's nucleus, possessing no electrical charge and having a mass that is marginally higher than protons.

Isotope

Variants of an element that contain the same number of protons but different numbers of neutrons in their nuclei.

Neutrons

Subatomic particles, found in the nucleus of an atom, that have no electrical charge and a mass slightly larger than that of protons.

Element

A substance that cannot be broken down into simpler substances by chemical means and is made up of atoms all with the same number of protons.