Answer:
23/7 or 3 2/7
Step-by-step explanation:
it might be the mixed number
Answer:

Step-by-step explanation:
√a^4 is the same as:
√a × √a × √a × √a
group them as 2 pairs of
(√a × √a) × (√a × √a)
which makes
a × a
which is the same as 
Answer:
Yes they can
Step-by-step explanation:
1 hour is 3600 seconds
Answer:
25/6 or 4 1/6
Step-by-step explanation:
1) convert these fractions to improper fractions first:
8/3+3/2
make like denominators by multiplying 8/3 by 2 and 3/2 by 3
so 8*2/3*2=16/6
3*3/2*3=9/6
16/6+9/6=25/6
Hope this helps!
Answer:15.57
Step-by-step explanation:
1.bidmas
2.4x105=420
3.420x0.0375=15.57