The product of 0.005 and 3.112 correct to 3 significant figures is:
0.0156.
0.016.
0.015.
0.0155.
Mary went to bed at 11:20 pm and asked John to wake her up after 2 hours.
The time by the clock that John woke up Mary is:
1:20 pm.
13:20 pm.
13:20.
1:20.
If -7 is added to half a certain number, the sum is -2. The number is:
10.
5.
-10.
-5.
In a certain room, the temperature at 6 a.m. was -7°C.
By 1 pm it has increased by -9°C,
The temperature at 1pm was:
16°C.
-16°C.
2°C.
9°C.
The next term in the sequence: -3, 1, 5, … is:
11.
9.
14.
