Answer:
17
Step-by-step explanation:
4×10-9= 4
8×10-7=21
21-4=17
The value of x in the expression, x 2 = 9 is 4.5
9 divided by 2 = 4.5
Answer:
46 cm
Step-by-step explanation:
If Susan can knit 1 cm per night and knits for 10 nights the is 10cm. Then you add the 10cm to the 36cm to get 46cm.
So basically what this is trying to tell you is are they mutiples / equal to each other, also a rule. Its A. because 25 x 2 = 50, then 50 x 2 = 100 and so on.
So the answer is A
Hope it helps! :D
Answer:
flase
Step-by-step explanation:
The hours do not get measured in tens.
