You have a 300-gram sample of Radium-223 that has a half-life of 10.33 days. What time duration would it require for this sample to decrease by 30% of its present value?

I NEED HELP PLEASE!

Choose the number sentence that shows the identity property of addition. a. 122 = 61 + 61 b. 62 = 1 + 61 c. 61 = 0 + 61

What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top

Newtons second law says force(f) is equal to mass (m) times avceration (a) a scientist wamts to calculate the force of an objecy where the acceleration of gravity (g) is 9.8m/ s2 use the function to calculate the force of an object with a mass73( m) of 0.29 kilograms