evaluate each of the following(e) 13 = [(-2) + 1]
Answers
Answer:
(a) -30\ \times\frac{1}{10}−30 ×
10
1
= -3
(b) 50\times\frac{-1}{5}50×
5
−1
= -10
(c) -36\ \times\frac{-1}{9}−36 ×
9
−1
= 4
(d) \left(-49\right)\times\frac{1}{49}(−49)×
49
1
= -1
(e) 13\times\left[\left(-2\right)\ +\ 1\right]13×[(−2) + 1]
13\times\frac{-1}{1}13×
1
−1
= -13
(f) 0\times\frac{-1}{12}0×
12
−1
= 0
(g) \left(-31\right)\div\left[\left(-30\right)-1\right](−31)÷[(−30)−1]
\left(-31\right)\div\left(-31\right)(−31)÷(−31)
-31\ \times\frac{-1}{31}−31 ×
31
−1
= 1
(h)\left[\left(-36\right)\div12\right]\div3[(−36)÷12]÷3
\left[\left(-36\right)\times\frac{1}{12}\right]\times\frac{1}{3}[(−36)×
12
1
]×
3
1
\frac{-36}{12}\times\frac{1}{3}
12
−36
×
3
1
-3\times\frac{1}{3}−3×
3
1
= 1
(i) \left[-6+5\right]\div\left[-2+1\right][−6+5]÷[−2+1]
-1\times\frac{-1}{1}−1×
1
−1
= 1
Step-by-step explanation: