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Answer:
the answer is 157
Step-by-step explanation:
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Answer: 2 1/4
Step-by-step Explanation: First change 18 to 17 4/4. Now subtract. 17-15=2, 4/4- 3/4 = 1/4. Now combine them to get, 2 1/4
Answer:
m = 6
Step-by-step explanation:
Here, we want to find the value of m
To do this, we use the indices addition property for multiplication
On the left hand side;
5^(2 + m + 7) = 5^15
5^(m + 9) = 5^15
since the bases are equal, we equate the powers
m + 9 = 15
m = 15-9
m = 6
