For number 5, you were very close. the answer is...
(1,2), (3,4), (5,6) (7,8)
Hope this helped! :D
Answer:
The square root of 64 is 8
8 x 8 = 64
This can be done with simple concept of PERMUTATIONS AND COMBINATIONS.
The number can arrange themselves repeatedly to form different numbers. The possible number of ways they can do so is 3×2×1=6
3
×
2
×
1
=
6
ways.
ALTER,
You can arrange these number in 3!
3
!
ways, which finally produces the same result i.e 3!=3×2×1=6
3
!
=
3
×
2
×
1
=
6
ways.
Given parameters:
First number = 7.92 x 10⁷
Second number = 7.2 x 10³
Quotient is the number obtained division;
Now;
= x 10⁷⁻³
= 1.1 x 10⁴
The quotient of the two numbers expressed in scientific notation is 1.1 x 10⁴
0.15 * 20 = 3
Hope this helps. If it did, consider making it Brainliest!