Write the expression. Then, check all that apply. a number cubed increased by four

A. “A number cubed” is a power, where the base is the variable, n, and the exponent is 3.
B. “A number cubed” is a power where the base is 3 and the exponent is n.
“Increased by 4” means add 4.
C. “Increased by 4” means multiply by 4.
D. The expression is written as n3 + 4.
E. The expression is wriitten as 4n3

A. “A number cubed” is a power, where the base is the variable, n, and the exponent is 3.

D. The expression is written as + 4

Explanation:

From the given question, let the number be represented by n. So that, a number cubed can be expressed as:

Increased by four implies the addition of four to the initial expression.

i.e     + 4

Example, three cube increased by four would give.

+ 4 = 3 x 3 x 3 + 4

         = 27 + 4

         = 31

Thus,

a number cubed increased by four =   + 4

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