Arithmetic

Question 1

decimals

adding/subtracting decimals

Answer 1

line up the decimal points

Question 2

decimals

multiplying decimals

Answer 2

keep track of the number of digits to the right of each decimal point and add that in at the end

Question 3

decimals

dividing

Answer 3

move the decimal to make an integer and move the decimal the same number of places in the number you are dividing into (dividend). the answer has the decimal in the same place as the dividend

Question 4

Any number raised to the exponent 0 is?

Answer 4

1

except 0 raised to the 0 power, which is undefined

Question 5

Exponents

negative exponents

Answer 5

use reciprocal (take out the negative and put it under 1)

Question 6

Exponents

multiplying powers with the same base

Answer 6

add exponents

Question 7

Exponents

divide powers with the same base

Answer 7

subtract the exponents

Question 8

Exponents

when adding or subtracting bases

Answer 8

CANNOT combine exponents

Question 9

how do you raise a power to a power?

Answer 9

(3²)³ = 3⁶

Multiply the exponents

Question 10

how do you raise a product in parenthesis to a power?

Answer 10

distribute the power over both factors

(x² y⁴) = x^2x3 y^4x3 = X⁶y¹²

Question 11

A number between 0-1 gets larger or smaller when raised to a higher power?

Answer 11

smaller

(1/3)⁴ =

1/3 x 1/3 x 1/3 x 1/3 = 1/81

Question 12

Is a negative numnber raised to an even power negative or positive?

Answer 12

A negative number raised to an even power becomes positive.

Question 13

Is s negative number raised to an odd power negative or positive?

Answer 13

Negative

A negative number raised to an odd power remains negative

Question 14

multiplication

3x8

Answer 14

24

Question 15

multiplication

3x9

Answer 15

27

Question 16

multiplication

4x7

Answer 16

28

Question 17

multiplication

4x8

Answer 17

32

Question 18

multiplication

4x9

Answer 18

36

Question 19

multiplication

what is the rule for multiplying by 5?

Answer 19

divide the number by 2 and move the decimal over 1

Question 20

multiplication

6x4

Answer 20

24

Question 21

multiplication

6x7

Answer 21

42

Question 22

multiplication

6x8

Answer 22

48

Question 23

multiplication

6x9

Answer 23

54

Question 24

multiplication

what is the rule for multiplying by 9?

Answer 24

multiply the number by 10 and subtract the number

Question 25

multiplication

7x6

Answer 25

42

Question 26

multiplication

7x8

Answer 26

56

Question 27

multiplication

7x9

Answer 27

63

Question 28

multiplication

8x4

Answer 28

32

Question 29

multiplication

8x6

Answer 29

48

Question 30

multiplication

8x7

Answer 30

56

Question 31

multiplication

8x9

Answer 31

72

Question 32

multiplication

9x4

Answer 32

36

Question 33

multiplication

9x6

Answer 33

54

Question 34

multiplication

9x7

Answer 34

63

Question 35

multiplication

9x8

Answer 35

72

Question 36

multiplication

12x3

Answer 36

36

Question 37

multiplication

12x4

Answer 37

48

Question 38

multiplication

12x6

Answer 38

72

Question 39

multiplication

12x7

Answer 39

84

Question 40

multiplication

12x8

Answer 40

96

Question 41

multiplication

what is the rule for multiplying by 12?

Answer 41

the number times ten plus the number times two

Question 42

multiplication

12x9

Answer 42

108

Question 43

multiplication

what is the rule for multiplying two digit numbers by 11?

Answer 43

keep the outer numbers the same and the middle number is the sum of the outer two

Question 44

multiplication

12x11

Answer 44

132