Lisa's Scores on Tests for the Assessment Class Are 93

question 21

Short Answer

Lisa's scores on tests for the assessment class are 93, 89, 87, and 83. She needs an 89.5 average to obtain an "A" in the class. Assuming that all tests, including the final, are equally weighted, what score must she obtain on the final exam to earn an "A"?

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Definitions:

Subatomic Particles

Particles that are smaller than atoms, including protons, neutrons, and electrons, which make up the atom's nucleus and electron cloud.

Electrons

Electrons are negatively charged subatomic particles that orbit the nucleus of an atom, playing a critical role in chemical reactions and electricity.

Orbitals

Regions within an atom where electrons are most likely to be found, describing the probable location of electrons around a nucleus.

Protons

Subatomic particles with a positive charge located within an atom's nucleus.