The keystrokes that Adi typed into the calculator to simplify the expression 4.2 × (10 – 6.4) are shown. 4.2 × 3.6

Which statement is true?

Adi’s keystrokes are correct.
Adi should have typed 42 – 6.4.
Adi should have typed 4.2 × 4.6.
Adi should have typed 42 + 6.4.

c-4 is the final answer! : )

can you rephrase the question ? it is unclear : -)

step-by-step explanation:

total amount of money that he should pay if he has not used his duty free exemption is $98

step-by-step explanation:

given a united states citizen returning to the states declares the following items at the customs office: 3 shirts at $8.50 each 2 dresses at $27.50 each 1 pair of gold cuff links at $17.50 per pair. we have to find how much he pay

cost of 3 shirts if one cost at $8.50 is

cost of 2 dresses if one cost at $27.50 is  

cost of 1 pair of gold cuff at $17.50

so, total amount of money that he should pay if he has not used his duty free exemption is   $25.5+$55+$17.50=$98