You multiply the numbers and add the variable's exponents.
Answer:
9.) B. division
10.) 8
Explanation:
9. Which operation to do first in order of operations?
Answer: Applying BODMAS where:
[B] brackets
[O] order
[D] division
[M] multiplication
[A] addition
[S] subtraction
Maintaining order, division operation is done first. Then multiplication and then addition and so on.
10. Given that N = 48 ÷ 3 × 2
⇒ N = 48 ÷ 3 × 2
⇒ N = 48 ÷ 6
⇒ N = 8
Answer: 3 copies of 5 tenths = 3*0.5 = 1.5
Step-by-step explanation:
Ok, if we have:
"3 copies of a number B"
This is written as:
3*B
And we have that the number B is "5 tenths"
Now, a tenth is the first digit after the decimal point.
Then 5 tenths = 5*0.1 = 0.5
B = 0.5
3 copies of 5 tenths = 3*0.5 = 1.5
Solve for x by cross multiplying and the answer is x=6
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