There are 50 equally sized regular apartments in a housing estate and one which is half the size of regular apartment, each apartment is occupied by 4 tenants depending on the size, hence the half sized apartment will have only two occupants. 50 1/2 × 4/1 = 202

50 refers to the number of regular sized apartment ; 1/2 means the apartment after 59 is half the size of the regular ones.

4 refers to the number of occupants in each apartment depending on size.

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step-by-step explanation:

explanation:

infrared radiation has wavelength in the range between 700 nm and 1 mm. lets' convert these values into scientific notation, keeping in mind that:

let's start from the lower value, we have:

(we moved the dot two places to the left, so we increased the exponent by 2 units, from -9 to -7)

the higher value is:

so, the range of wavelength of infrared radiation is:

maya’s expression will generate the wrong sum because she violated the commutative property.

step-by-step explanation: