The decimal will move to the left(making the number smaller) if multiplied by a negative integer power of 10.
Example,
Answer:
No, the student is not correct. The correct expression is 9(n+13).
Step-by-step explanation:
"9 times the sum of a number and 13" means you must multiply 9 by the sum, not just by the number. 9n + 13 would be "the sum of 9 times a number and 13." Slightly different wording.
All you have to do is multiply them all.
3*3*4*2=72
Answer:
The answer is C, $75.60.
Step-by-step explanation:
1) Add the price of the two necklaces.
42 + 28 = 70
2) Find what is 8% of 70. (Taxes)
70 x 8 = 560
560/100 = 5.6
3) Add the tax (5.6) to the total cost (70)
70 + 5.6 = 75.6
Line B is incorrect cause he did not do like terms