When we have negative exponents, we can move the term with the exponent to the bottom of the fraction. This is also known as multiplying by the reciprocal (and changing the negative exponent to be positive!).
The reciprocal of z^-3 would be 1 / z^3.
Hope this helps!! :)
Subtract the powers
c. 9-7 so 10^2
d. 8-1 so 5^7
Answer:
7
Step-by-step explanation:
Everything including 1/2 and above rounds up to the next whole number.
3/8 < 4/8
7 and 3/8 rounds to 7
Answer:
The answer is "1.30".
Step-by-step explanation:
Proportion of population
Ratio sample
Statistics of the test:

