Answer:
Lu
Step-by-step explanation:
.....................m
Answer:
y¹⁵-20y¹⁴
Step-by-step explanation:
I'm going to assume that your problem looks like this


which means we have

Answer:
2 * 10 ^-4
Step-by-step explanation:
We need the first number to be between 1 and less than 10
.0002
2 * 10 ^ exponent
We move the decimal 4 places to the right. Since we move it to the right the exponent is negative and is the number of places we moved the decimal
2 * 10 ^-4