Предмет: Алгебра, автор: PANDORENKO

представьте в виде степени выражение:
((a⁷)³)²

Ответы

Автор ответа: oleksandrpetrov
3

 \boxed{ {( {n}^{a} )}^{b} =  {n}^{a \times b}  }

 { \big( {( {a}^{7} )}^{3} \big) }^{2}  =  {( {a}^{7} )}^{6}  =  \boldsymbol{{a}^{42} }


PANDORENKO: спасибо, друг)
Автор ответа: OblivionFire
3

Ответ:

((a {}^{7} ) {}^{3} ) {}^{2}  = (a {}^{7 \times 3} ) {}^{2}  = (a {}^{21} ) {}^{2}  = a {}^{21 \times 2}  = a {}^{42} .

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Long ago, when I ________ at my shiny new comprehensive school, our year group was divided into 12 classes, having four ability streams. Most of the white, middle-class children ________ in the top bands while the poor, black or transient pupils were largely put in the bottom streams. By our third year in secondary school, streaming ___________ in favour of a mixed-ability approach. But the damaging labels endured, throughout our school lives and beyond. Several decades on, and the wheel _______ apparently full circle. Streaming, the wholesale subdivision of children into groups on the basis of a ______, single ability label, is making a big comeback, part of the retro traditionalism in our education system. According to a recent study from the Institute of Education, one in six primary-age children within the UK now ________ by the age of seven. In some schools, the practice is so extreme as _______ to a return of the grammar-school principle. Crown Woods school in south London has caused a furore for its decision ________ children in "schools within schools", according to ability, each with its own colour-coded uniform. _________ has already been reported between students located in different blocks.

Пропущенные слова:
B4. START
B5. PLACE
B6. ABOLISH
B7. TURN
B8. FIX
B.9 STREAM
B10. COME
B11. HOUSE
B12. FIGHT