Standard form- rules, converting both ways

Question 1

What is the formular for standard form?

Answer 1

a*10 to the power of b

Question 2

what is the rule for the 1st number?

Answer 2

it has to be between 1-10

Question 3

what is the rule for the index number?

Answer 3

it has to be a whole number but can be negative

Question 4

when is the index positive?

Answer 4

when the decimal point moves left and the original number is a whole number

Question 5

when is the index negative?

Answer 5

when the decimal point moves right and the original number is a decimal number

Question 6

900

Answer 6

9*10 squared

Question 7

535000

Answer 7

5.35 * 10 to the power of 5

Question 8

-360

Answer 8

-3.6 * 10 squared

Question 9

0.0009 3

Answer 9

9.3*10 to the power of -4

Question 10

-0.06

Answer 10

-6*10 to the power of -2

Question 11

9*10 to the power of 4

Answer 11

90,000

Question 12

4.52*10 to the power of 5

Answer 12

452,000

Question 13

6.1*10 to the power of -3

Answer 13

0.0061

Question 14

how would you work out 63*10 to the power of 4

Answer 14

divide 63 by 10 to the power of 1, then multiply 10 by 10 to the power of 1=
6.3*10 to the power of 5

Question 15

41.2 *10 to the power of 6

Answer 15

4.12*10 to the power of 7

Question 16

how would you work out 0.76*10 to the power of 5?

Answer 16

work what 0.76 is in standard form then multiply it by the 10 to the power of 5
=7.610 to the power of -110^5
=7.6*10^4

Question 17

0.0078*10^3

Answer 17

7.810^-310^3= 7.8*10^0

Question 18

How would you order standard form?

Answer 18

turn everything into standard for, first look at the index and then the numbers