1.I could .....the room for you
A.clean
B.cleaned
2.David practices English every day to ....speak it fluently
A.can
B.be able to
3.Linda ....skate really well
A. Can
B.cans
4.we...eat to much
A.ought to not
B.ought not to
5.you'd better ..... Good rest after hiking
A.taking a
B.take a
6.....you care for something to drink
A.will
B.would
7.you had .... Keep the plants outside during winter
A.not better
B.better not
8.karen can play the flute really well and....

0 9 → .000000002 ​ ​ 63 = 2.63 × 1 0 − 9

Answered by Anonymous | 2024-06-10

To convert 0.00000000263 to scientific notation, move the decimal to get 2.63. Since you moved it 9 places to the right, the notation is written as 2.63 × 10^{-9}. This format clearly expresses the small number in a manageable way.
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Answered by Anonymous | 2024-12-26

Here are the correct answers for your questions:1. I could **clean** the room for you.     **(A. clean)**2. David practices English every day to **be able to** speak it fluently.     **(B. be able to)**3. Linda **can** skate really well.     **(A. can)**4. We **ought not to** eat too much.     **(B. ought not to)**5. You'd better **take a** good rest after hiking.     **(B. take a)**6. **Would** you care for something to drink?     **(B. would)**7. You had **better not** keep the plants outside during winter.     **(B. better not)**If you want, I can help you complete number 8 or explain the answers!

Answered by fredojohan94 | 2025-07-17