Evaluate:
45
Responses
256
256
625
625
1024
1024
I don't know.
The number 45 is evaluated as 45, which means its value remains unchanged.
Question
Evaluate:
4(5)
Responses
256
256
625
625
1024
1024
I don't know.
To evaluate the expression 4(5), we simply multiply 4 by 5. The correct response is:
4(5) = 20
Which expression is equivalent to 106 ?
Responses
10⋅10⋅10⋅10⋅10⋅10
10 times 10 times 10 times 10 times 10 times 10
6⋅6⋅6⋅6⋅6⋅6⋅6⋅6⋅6⋅6
6 times 6 times 6 times 6 times 6 times 6 times 6 times 6 times 6 times 6
10⋅10⋅10⋅10⋅10
10 times 10 times 10 times 10 times 10
I don't know.
The expression that is equivalent to 106 is 10⋅10⋅10⋅10⋅10.
Evaluate:
0.3(3)
Responses
0.027
0.027
0.27
0.27
2.7
2.7
I don't know.
I don't know.
To evaluate 0.3(3), we simply multiply 0.3 by 3. The correct response is:
0.3(3) = 0.9
Multiply.
67⋅415
Responses
835
8 over 35
1445
14 over 45
511
5 over 11
I don't know.
To multiply 67 by 415, we get:
67 ⋅ 415 = 27,805
So, the correct response is:
27,805
Multiply.
6/7⋅4/15
Responses
8/35
8 over 3/5
14/45
14 over 45
5/11
5 over 11
I don't know.
To multiply 6/7 by 4/15, we multiply the numerators together (6 * 4) to get the new numerator, and multiply the denominators together (7 * 15) to get the new denominator.
The calculation is as follows:
(6/7) * (4/15) = (24/105)
So, the correct response is:
24/105
Multiply.
(1.6)⋅(−4.2)
Responses
−67.2
negative 67.2
−6.72
negative 6.72
6.72
6.72
I don't know.
To multiply 1.6 by -4.2, we simply multiply the two numbers together. The correct response is:
(1.6)⋅(−4.2) = -6.72