Answer:
90
Step-by-step explanation:
Since 9 is in the 10s place it'd be valued at 90
I assume that's what this is asking, if not please correct me
Hope this helps
Answer:
False
Step-by-step explanation:
x
The opposite of x is -x
x* -x = -x^2
This is not always 1
Answer:
x=17
Step-by-step explanation:
Answer:
663.4
Step-by-step explanation:
1.55 x 10 = 15.5
4.28 x 10 = 42.8
42.8 x 15.5 = 663.4
hope i helped
2.5*7 = 17.5. If it's easier for you, multiply 2.5 by 5 then add 2.5*2.
