0.003 in standard form

• $3\ \times\ 10^{-3}$

• $3\ \times10^3$

• $3^{10}$

• $3^{-10}$

Find the sum of 25 + 12 + 7.5

• 45.5

• 44.5

• 44

• 43.5

20% of $560

• 112

• 120

• $112

• 121

6 eggs cost $3 . what would be the cost of 2 dozens?

• 18

• $12

• 12

• $18

Sue had $3

Tom had $5

Bob had $7

what is the ratio?

• 5:3:7

• 3:5:7

• $15

• 15

25/7 as an improper fraction

• $4\frac{3}{7}$

• $3\frac{4}{7}$

• $3\frac{3}{7}$

0.003 + 0.03 + 0.33 =

• 0.633

• 0.333

• 0.363

• 0.336

2a + 3a + 9a =

• 15a

• 13a

• 14a

• 16a

factorize

2ab + 4 ab + 6ab

• ab(2+4+6)

• 2a (b+ 4b + 3ab)

• 2ab (1 + 2+ 3)

expand

3a ( b+ 2c )

• 3ab+6c

• 3ab+ 6abc

• 3ab + 6ac