Step-by-step explanation:
Add the amount of the same number together. That will be your power:
15 x 15 x 15 = 15³
6 x 6 x 6 x 6 x 6 x 6 =
~
Answer:
- i
Step-by-step explanation:
Given
Multiply numerator/ denominator by i
= [ i² = - 1 ]
=
= - i
Answer:
-7 × 10
Step-by-step explanation:
Explanation:
6.3
×
10
5
is the same value as
63
×
10
4
So we have:
63
×
10
4
9
×
10
3
ddd
→
ddd
63
9
×
10
4
10
3
ddddddddd.d
→
ddd
63
9
×
10
If the sum of the digits is exactly divisible by 3 then the actual number is also exactly divisible by 3
→
6
+
3
=
9
so we will divide both top and bottom by 3 to simplify the fraction.
ddddddddd.d
→
ddd
63
÷
3
9
÷
3
×
10
Note that:
63
÷
3
9
÷
3
=
21
÷
3
3
÷
3
=
7
1
=
7
so we have:
(
6.3
×
10
5
)
÷
(
9
×
10
3
)
=
7.0
×
10
Negative version works the same exact way but with a negative sign
Answer:
96 in^2
Step-by-step explanation:
Since this is a cube, the surface area is found by
SA = 6 s^2
SA = 6 * 4^2
= 6 * 16
= 96 in^2
Answer:
<h2>b > 70 and b = 100 - a</h2>
Step-by-step explanation:
a + b = 100
If a < 30, then b > 70 and b = 100 - a