Express the following number in scientific notation. Do NOT include unit in your answer. Please use e to refer to power of 10. For example, 1 x 106 should be entered as 1e6 45x 10-7 should be entered as 4.5e-7. Radius of the atomic nucleus of an aluminum atom is 0.0000000000000036 m. scientific notation is

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i'm on my way to history not a mistory.

conservation of mass

mass before something happens = mass afterwards

the best answer for these questions would be:

1.            c. is smaller

2.            d) concrete operational

3.            b) interaction with the environment – the children interact with their environment can them learn more.

4.            a) parents who reason openly with children can limit a child’s cognitive ability.