Answer:
1. c. 9
2. d. 60
3. b. 14
4. e. 80
5. b. 14
Step-by-step explanation:
1. 15÷3×5–16
5×5–16
25–16 = 9
always remember that Multiplication and Division rank equally, thus we will solve then whichever comes first
2. 2[5 + (30÷6)²] =
2[5 + 5²] =
2[5 + 25] =
2[30] = 60
3. (3²×4) – (6+4²) =
(9×4) – (6+16) =
36 – 22 = 14
4. 8[6² – 3 x (2+5) – 8 + 3]
8[36 – 3 x 7– 8 + 3]
8[36 – 21 – 8 + 3]
8[15 – 8 + 3]
8[7 + 3]
8[10] = 80
5. 15 – {27 – 2 × [33 – 4 × (5+1)]}
15 – {27 – 2 × [33 – 4 × 6]}
15 – {27 – 2 × [33 – 24]}
15 – {27 – 2 × 9}
15 – {27 – 18}
15 – 11 = 14
In solving with more than one operations, we must follow ORDER OF OPERATION. For more detailed explanation with REFERENCES from grade4, 5, 6, 7, must watch this on youtube by searching "Leonalyn PEMDAS" or visit youtubechannel "SolvingMath with Leonalyn"
