1 7/8 divided by 3/4 can someone please help me
2 answers:
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Step-by-step explanation:
a) 1.16× 10^-6
standard form should be less than 10. therefore, count decimal places from where the decimal point is located to the right until you reach a number less than 10 ....count the number of shifts in the above is 6 shifts to the right. when moving to the right, power will be negative.(-6)
1.157/1.16 ×10^-6
b) 6.79 × 10^10
67890000000....count till a number less than 10.there will be 10 shifts to the left. the 10 will be your power,(positive) since u r moving to the left exponent is positive
6.789/6.79 × 10^10
Answer:
Because we actually divide by 10 when a number is multiplied by 0.1.
Step-by-step explanation:
Let be a number.
When we multiply a number by 10:
(One '0' is increased in the number)
For example:
Considering a decimal number:
Multiplying a number with 0.1 (which is actually ) means dividing the number by 10.
Considering a decimal number:
<em>Therefore, When multiplying a number by 0.1, move the decimal to the left.</em>