81 by 9 means 81 times 9 ( or 81 x 9). The answer however would be 729
Answer:
Step-by-step explanation:
if there are two numbers a and b.then
1. a+b=b+a ,commutative under addition.
2. ab=ba,commutative under multiplication.
If there are three numbers a,b,c then
1. a+(b+c)=(a+b)+c,associative under addition.
2.
a×(b×c)=(a×b)×c ,associative under multiplication.
Answer:
After turn one she will have 0 points
After turn 2 she will have 8 points
After turn 3 she will have 7 points
She will not earn bonus points because she could not reach ten points
Hope this helps :)
Answer:
6 if I am correct I hope this helps
Let x be first num, x+2 be second, x+4 be third
x + 4(x+4) = 61
x + 4x + 16 = 61
5x = 45
x = 9
so 9, 11, 13
