Calls saved per hour: 150 × 0.6 = <<150*0.6=90>>90.

February 22, 2026

Calls saved per hour: 150 × 0.6 = <<150*0.6=90>>90.

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In 5 minutes (300 sec): 448 × 300 = <<448*300=134400>>134,400 qubits.
#### 134400
A mobile app developer implements caching, reducing API calls by 60%. The original system made 150 calls per hour. Each call uses 0.02 MB of data. How much data is saved in 3 hours due to caching?
Data saved per hour: 90 × 0.02 = <<90*0.02=1.8>>1.8 MB.
In 3 hours: 1.8 × 3 = <<1.8*3=5.4>>5.4 MB.
A cartographer digitizes aerial maps using rectangles of size 250 m × 250 m per tile. A river basin covers 180 km². How many full tiles are required to cover the entire basin?

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