Answer:
C. 90√3
Step-by-step explanation:
5√2 . 9√6 = 45√12 = 45×2√3
= 90√3
Answer:
(6r+7)+(13+7r)=13r+20
(13-1/2r)-(1-r)=12-1/2r
(-8-r)+(2r-4)=-12+r
Last one is r-13/6
Step-by-step explanation:
Answer:
0.11
Step-by-step explanation:
7.26 / 66 = 0.11
hope this helps <3
Answer:6
Step-by-step explanation:
1/2*5 = 2.5 ~ 3 (round-off)
1/3* 10 = 3.33 ~ 3