Assume the CPU has access to two types of memory. Level 1 has 1000 data words and has an access time of 2.5 nanoseconds (2.5E-9 sec) between the CPU and L1; level 2 contains 100,000 data words and has an access time of 5.0 nanoseconds between L1 and L2 transfers (5.0E-9 sec) Assume that the CPU's data requests have a hit ratio, H, of 0.7 in the L1 cascade, and that any requests missed in L! are assured to be found in L2. What is the average memory assessment time in nanoseconds for CPU data requests?

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