Now we have a negative exponent, which is the opposite of a positive exponent.
If a positive exponent means you're multiplying by 10s and it makes a number bigger by moving the decimal to the right, then
the opposite of this is that a negative exponent means you're dividing by 10s and making the number smaller by moving the decimal point to the left.
Examples:
The trick is to recognize that
is the same thing as 
and 
mean the same thing.
So, 
For your exercise, 
means you'll move the decimal point 24 places to the left, to make the number smaller.
150 grams is larger than 5 ounces.
1 ounce is equivalent to approximately 28.3495 grams. When that is multiplied by 5, you get 141.748 grams, which is lower than 150 grams.
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Answer:
Discount rate=33%
Step-by-step explanation:
Step 1
Determine the discounted amount as shown;
A=I-F
where;
A=discounted amount
I=initial price/original price
F=final price after discount
In our case;
A=unknown
I=$75
F=$50
replacing;
A=(75-50)=25
The discounted amount=$25
Step 2
Determine the discount rate using the formula;
Discount rate=(discount amount/original amount)×100
Discount rate=(25/75)×100=33.33%
Discount rate=33%
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Answer:
178,920
Step-by-step explanation:
The trick is both the set up and keeping your columns in line
1
4 2 0
<u>x 4 2 6</u>
2 4 2 0 multiply 6 by each number on top, carry the 1 over
8 4 0 0 use left zero as place holder and multiply each # by 6
<u>+ 1 6 8 0 0 0</u> use left 2 zeroes as place holders and multiply each # by 4
1 7 8,9 2 0 add all the columns up to get your answer
