You can estimate 3.9 times 5.3 to 4 times 5 which is 20
so if the answer is around 20, you know that you will have exactly 2 digits before the decimal place
Answer:
the answer is (x )
math way helps
Step-by-step explanation:
Answer:
x = -4 ± 2√3
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
its a wild guess because you didn't add a picture or anything to show the pyramid
8 x (3^2/4^2)
=4.5
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