Daniel has 2 cookies, Maya has 2 Cookies. If Daniel and Maya put their cookies together how many will the have in all. Please help, I can't figure this one out.

What is 0.000008 meters in scientific notation

What multiplys to be 1 but adds up to be 4

Sanderson is having trouble with his assignment. his shown work is as follows: − 3 7 7 3 = − 3 7 × 7 3 = − 21 21 = −1 however, his answer does not match the answer that his teacher gives him. complete the description of sanderson's mistake. find the correct answer.