hi can you help me? Tia went home and said to her mom, I learned that 10⁴ is the same as 40,000. She has made a mistake in her thinking. Use words, numbers, or a place value chart Tia correct her mistake.​

Acircle has a circumference of 7.850 units. what is its radius?

Find the ratios of the corresponding sides

"curse these trig-loving pirates! " devora mutters as she looks at the map. then, after thinking for a moment, she walks back to the entrance of the secret cave, measuring 48 meters along the way. after performing a calculation, devora walks back to the empty treasure, faces the entrance, and turns a certain number of degrees to her left before walking 89 meters to the treasure. supposing that the angle at the cave entrance is acute and that devora's calculations were correct, how many degrees did she turn?