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9. Evaluate the value of n in each of the following:
(a) 5-3x 5n =52
(b) (-7)21 + 1
Answers
Answered by
1
Answer:
a-5.2
Step-by-step explanation:
5-3*5n=52
2*5n=52
10n=52
n=52/10
n5.2
Answered by
1
Answer:
a) 5.2,b) 15
Step-by-step explanation:
a) 5-3×5n=52
2×5n=52
5n=52/2
5n=26
n=26/5
n=5.2
b) (-7)21+1
=14+1
=15
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