contestada

Alice evaluated the expression below but got an incorrect answer. 12• (0.25) • (-8) ÷ 1/3 • 53• (8) ÷ 1/3 • 524 • 1/3 • 58 • 540Find and describe Alice's error(s)Find the correct value of the expression.

Respuesta :

12• (0.25) • (-8) ÷ 1/3 • 5

3• (8) ÷ 1/3 • 5

24 • 1/3 • 5

8 • 5

40

Until the second step is ok.

in the third step, she multiplied the 1/3 term instead if dividing it

24 ÷ 1/3 . 5

24 ÷ 5/3

72/5

Otras preguntas