Learn how to calculate mode, mean and median #mathematics #education

Learn how to calculate the area of ​​figures and convert their units #mathematics #education

wierd_world on Instagram: "The relationship between a bat 🦇 and ultrasonic sound is fundamental to its survival, as it's the basis for echolocation. ​Ultrasonic sound (or ultrasound) refers to sound waves with a frequency higher than the upper limit of human hearing, which is typically around 20,000 Hertz (20 kHz). ​Bat echolocation calls generally fall into the range of 20 kHz to 140 kHz, making them inaudible to most humans. ​Bats use these high-frequency calls to navigate, locate obstacles,

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