<u>Comment</u>
If I don't know what was before the comma in M(, –1) I can't solve this
Answer:
subtract the exponents:
a^7-2=a^5
Step-by-step explanation:
Here,
-18.3=b+ -8.3
-18.3+8.3=b
-10=b
the value of b is -10.
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