1) 7^3 x 7^4 = 7^(3+4) = 7^7
2) (-6)^12 x (-6)^5 x (-6)^2 = (-6)^(12+5+2) = (-6)^19
3) 2^2 x 2^7 x 2^ 0 = 2^(2+7+0) = 2^9
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Answer:
See Discussion below
Discussion:
Let a/b and c/d be rational numbers we wish to multiply. Then
(a/b) * (c/d) = (a*c)/(b*d)
The numerator (a*c) is the product of two integers ( a and c) and the denominator (b*d) is also ( b and d). In that way multiplying rational numbers is like multiplying integers.
Thank you,
MrB
Answer:
x =93
Step-by-step explanation:
The exterior angle is equal to sum of the opposite interior angles i
x = 37+56
x=93
Answer:
KL = 15
Step-by-step explanation:
Given that,
Point L is on the line segment KM.
We have, KM=5x+10, LM=4x, and KL=3x
ATQ,
KM = KL + LM
Putting all the values, we get :
5x+10=3x+4x
5x+10 = 7x
Taking like terms together
5x-7x=-10
-2x=-10
x=5
Put x = 5 in KL = 3x
KL = 3(5) = 15
So, the value of length KL is 15.
Answer:
a) The level of significance is large because here z is not appropriate.
b) The true critical value is larger than z because the level of significance is large.
Step-by-step explanation:
a) Based on the question under consideration, the true level of significance is larger than .05 level of significance is large, the reason being that z is not appropriate in this case.
b) The true critical value is larger than that of the critical z, this is because the level of significance is large.
t* in P(T > t*) = 0.975 is more than z* = 1.96 in P(z> z*) =0.975