Seudónimo
Seudónimo
13-03-2017
Mathematics
contestada
evaluate the expression 8(2+1)^-4^
Respuesta :
Аноним
Аноним
13-03-2017
8(2+1)^4
8(3)^4
8(81)
648
Answer Link
apologiabiology
apologiabiology
13-03-2017
8(2+1)²-4²
ok
pemdas
parenthaees first
2+1=3
now we gots
8(3)²-4²
exponent before multiply
3²=9
4²=16
now we gots
8(9)-16
multiply
8(9)=72
now we gots
72-16=56
Answer Link
VER TODAS LAS RESPUESTAS ( 95+ )
Otras preguntas
definition of instantaneous speed
How can you tell if a linear system of equations has an infinite number of solutions?
Solve the equation by extracting square roots. 3(x+2)^2=8
Question 1: Divide 10500g in the ratio 3:11 Question 2: Divide 2100ml in the ratio 5:2 Question 3: find the nth term: 2,7,12,17,... Question 4: if the nth term
Which of the following statements is true about covalent bonds? a) The shared electrons provide both atoms with an octet. b) Sometimes electrons are gained to p
i rilly need help pls my laptops hinge is brocken how do i fix it pls i dont know what to do.∵im 12 so i cant pay to repair it pls help i dont want to get in tr
What would result from a mistake in the order of the DNA nucleotides during DNA replication? A. Birth Defect B. Mutation C. Nothing
This equation is balanced: N2+H2 -NH3 A. True B. False
Why did Greek philosophers value logic so highly?
Define Nationalism in 3 sentences
