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Cytoplasm and Nucleoplasm

Cell Membrane provides cell protection

In addition to providing protection, shape, and strength to the cell, the membrane helps regulate the flow of materials in and out of the cell

Chemistry is just another branch of science

To multiply a positive integer and a negative integer,multiply their absolute values.Then make the final answer negative.

To multiply two integers that have the same sign,multiply their absolute values.The final answer is positive.

To evaluate expressions that contain several multiplications,we make repeated use of the rules for multiplying two integers.

We evaluate exponential expressions with bases that are negative numbers.

Problems that involve repeated addition are often more easily solved using multiplication.

To divide two integers,divide their absolute values