Express 0.0057 in scientific notation

Step-by-step explanation:

0.0057

first number

5

then the rest

7

equal

5.7

There's three zeros behind the number 5 which mean it will be -3

final answer

another example and it will be clear

0.0000403

first number

4

then the rest

03

equal

4.03

There's five zeros behind the number 4 which mean it will be -5

final answer

a negative exponent is translated as follows:

so, we have

to find the total number of combinations, multiply the quantity of each item by each other:

2 pairs of shoes x 3 pairs of shorts = 6 different combinations.