Answer:
100 joules
Step-by-step explanation:
If the producer has 10,000 joules of energy stored in it, then 10% of it will be transferred to the primary consumer i.e. 1000 joules. So 1000 joules of energy will be stored in the primary consumer. From this, 10% of the energy is given to the secondary consumer i.e. 100 joules. So 100 joules of energy will be stored in the secondary consumer. From this 10% will be transferred to the next trophic level and this goes on.......