The mean score will be given by:
mean=
mean=[90*4+70*3+2*60+80]/10
=[360+210+120+80]/10
=770/10
=77
the mean score is 77
Answer:
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Answer:
The answer is 816
Step-by-step explanation:
16 times 4 = 64
800 times 4 = 3200
3200 + 64 is equal to 3,264
This is what I got as my answer.
Hope this helps! :)
Answer:
Below.
Step-by-step explanation:
7(x + 2) = 91
Distribute the 7 over the parentheses:
7x + 14 = 91
Subtract 14 from both sides of the equation:
7x = 91 - 14
7x = 77
x = 77/7 = 11.
2.975 round up to 3.
2.975 rounded up to the nearest hundredths is 2.98
2.975 rounded up to the neared tenths will automatically be 3. because 0.97 rounded up to the neared tenths will result to 1.0.
2.975 rounded up to the nearest ones is 3.
Any number that must be rounded to the nearest place must be aware of the number next to it. If the following number is 5 and up, the number place is rounded up. If the next number is 4 and below, the number place is rounded down.
