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LYJANEMAETININ
Answered

evaluate the algebraic expressions
a=4 b=-5 c=0.6 x=-3 y=0.4 z=1/2
1)8z³-4x+y²​

Sagot :

CLEAN0828IN

Answer:

-271/25

Alternate forms: -10 21/25 or -10.84

Step-by-step explanation:

8(1/2)^3-4(-3)+(0.4)^2

Rewrite,multiply and convert

=8(1/8)-12+(2/5)^2

Reduce and rewrite

=1-12+4/25

Calculate

=-11+4/25

Calculate

=-271/25

Alternate forms: -10 21/25 or -10.84

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