Answer:
A
Step-by-step explanation:
an=a1+(n-1)d
A(10)=15+(n-1)-2
19) No, 3 should multiply both x and 2. As they, (x+2) are both inside the parentheses. The correct answer should be 3x + 6.
20) No, when it comes to exponents and multiply, exponents is done first before multiply. Therefore, Brett should square 3 first before multiplying it by 2. the correct steps should be
2 * 3^2 + 5
= 2* 9 + 5
=18 + 5
=23
115 x .23= 26.45
She spent 26.45$ on the shirt
Dividing the number of balloon animal per the time he takes to make them you get an average of how many animals per minute Fred the clown can make.
20/15=1,3 animals per minute
Since 0,3 is not a complete animal, the correct answer would be "Fred the clown can make 1 animal in 1 minute"
Answer: the answer to your question is
Recall that when you multiply a decimal by a power of ten (10, 100, 1,000, etc), the placement of the decimal point in the product will move to the right according to the number of zeros in the power of ten. For instance, 4.12 · 10 = 41.2.
hope this helps for what you needed have a nice day! :)