Question

7 − [15 − {−3 − 6 (5 of −6)}] = _____.

Answer 1

Step-by-step explanation:

A beam of light is incident through the holes of the box shown in figure below and the

corresponding emergent rays are also shown. Guess the type of mirror placed inside the

box with justification

PrincipalA beam of light is incident through the holes of the box shown in figure below and the

corresponding emergent rays are also shown. Guess the type of mirror placed inside the

box with justification

Principal

Answer 2

Step-by-step explanation:

Answer:

7- [15-3-6(5x -6)

7-[15-{3-6(-30)

7-[15-(3-6×(-30)}

7-[15 -{3+ 180}

7-[15 -{183}

7-[15-183]

7-(-168)

7+168=175 ANSWER